Christian Koss
2B San Francisco Giants| Year | Age | Lvl / Team | PA | AVG/OBP/SLG | HR | SB | wRC+ | WAR | MLE AVG/OBP/SLG |
|---|---|---|---|---|---|---|---|---|---|
| 2024 | 26 | AAA/AA/ROK/INTL2 orgs | 365 | .285/.372/.465 | 9 | 15 | 96 | — | .270/.330/.425 |
| 2025 | 27 | AAASF | 27 | .296/.296/.481 | 1 | 0 | 68 | — | .259/.259/.444 |
| 2025 | 27 | MLBSF | 191 | .264/.312/.368 | 3 | 4 | 92 | 0.3 | |
| 2026 | 28 | MLBSF | 221 | .217/.257/.305 | 4 | 5 | 57 | -0.5 | |
| 2027PROJ | 29 | MLBSF | 182 | .227/.278/.335 | 4 | 9 | 76 | 0.0 | |
| 2028PROJ65% MLB | 30 | MLBSF | 138 | .224/.275/.328 | 3 | 6 | 73 | -0.2 |
Tools · Recent Form · Splits · ContractCON 55 / POW 45
Career Stats + Projections
Methodology▸ how these numbers are built
All seasons translated to park-neutral MLB-equivalent (MLE) and combined per year. 2027 = full-season projection (no games played yet). 2028+ via Advanced Marcel + aging curve.
| Year | Age | Lvl | Team | MLB% | PA | AB | H | 2B | 3B | HR | BB | SO | HBP | SB | CS | AVG | OBP | SLG | OPS | ISO | BABIP | K% | BB% | wOBA | wRC+ | BAT | RUN | FLD | POS | REP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▸ Career — actual stats, one row per stint (as recorded, no adjustments) | |||||||||||||||||||||||||||||||
| 2021 | 23 | A+ | Greenville Drive | — | 468 | 428 | 116 | 18 | 7 | 15 | 31 | 100 | 5 | 10 | 4 | 271 | 328 | 451 | 779 | 180 | 319 | 21 | 7 | 341 | 65 | — | — | — | — | — | — |
| 2021 | 23 | INTL | Scottsdale Scorpions | — | 51 | 48 | 11 | 1 | 0 | 0 | 3 | 8 | 0 | 2 | 0 | 229 | 275 | 250 | 525 | 21 | 275 | 16 | 6 | 244 | 51 | — | — | — | — | — | — |
| 2022 | 24 | AA | Portland Sea Dogs | — | 532 | 488 | 127 | 22 | 5 | 17 | 25 | 137 | 12 | 16 | 5 | 260 | 312 | 430 | 742 | 170 | 324 | 26 | 5 | 325 | 73 | — | — | — | — | — | — |
| 2022 | 24 | INTL | Criollos de Caguas | — | 97 | 87 | 20 | 3 | 1 | 0 | 7 | 17 | 2 | 3 | 5 | 230 | 302 | 287 | 589 | 57 | 282 | 18 | 7 | 271 | 70 | — | — | — | — | — | — |
| 2023 | 25 | AAA | Worcester Red Sox | — | 124 | 114 | 27 | 8 | 1 | 1 | 5 | 26 | 3 | 2 | 1 | 237 | 287 | 351 | 638 | 114 | 295 | 21 | 4 | 283 | 46 | — | — | — | — | — | — |
| 2023 | 25 | AA | Portland Sea Dogs | — | 147 | 134 | 30 | 7 | 1 | 2 | 10 | 33 | 1 | 11 | 1 | 224 | 283 | 336 | 619 | 112 | 283 | 22 | 7 | 276 | 34 | — | — | — | — | — | — |
| 2023 | 25 | ROK | FCL Red Sox | — | 25 | 24 | 7 | 1 | 0 | 1 | 1 | 6 | 0 | 2 | 1 | 292 | 320 | 458 | 778 | 167 | 353 | 24 | 4 | 343 | 34 | — | — | — | — | — | — |
| 2024 | 26 | AAA | Sacramento River Cats | — | 197 | 171 | 44 | 10 | 1 | 5 | 14 | 45 | 6 | 5 | 0 | 257 | 335 | 415 | 750 | 158 | 317 | 23 | 7 | 327 | 84 | — | — | — | — | — | — |
| 2024 | 26 | AA | Richmond Flying Squirrels | — | 96 | 83 | 32 | 12 | 1 | 2 | 10 | 12 | 1 | 6 | 1 | 386 | 457 | 627 | 1.084 | 241 | 429 | 12 | 10 | 461 | 140 | — | — | — | — | — | — |
| 2024 | 26 | ROK | ACL Giants | — | 31 | 24 | 7 | 2 | 0 | 2 | 6 | 2 | 0 | 2 | 0 | 292 | 433 | 625 | 1.058 | 333 | 238 | 6 | 19 | 440 | 99 | — | — | — | — | — | — |
| 2024 | 26 | INTL | Aguilas Cibaenas | — | 41 | 34 | 6 | 1 | 0 | 0 | 4 | 12 | 2 | 2 | 0 | 176 | 300 | 206 | 506 | 29 | 273 | 29 | 10 | 246 | 52 | — | — | — | — | — | — |
| 2025 | 27 | MLB | San Francisco Giants | — | 191 | 174 | 46 | 9 | 0 | 3 | 9 | 45 | 3 | 4 | 1 | 264 | 312 | 368 | 680 | 103 | 336 | 24 | 5 | 299 | 92 | -2 | +0 | -0 | +1 | +4 | 0.3 |
| 2025 | 27 | AAA | Sacramento River Cats | — | 27 | 27 | 8 | 2 | 0 | 1 | 0 | 6 | 0 | 0 | 1 | 296 | 296 | 481 | 778 | 185 | 350 | 22 | 0 | 340 | 68 | — | — | — | — | — | — |
| 2026 | 28 | MLB | San Francisco Giants | — | 221 | 203 | 44 | 6 | 0 | 4 | 9 | 59 | 2 | 5 | 0 | 217 | 257 | 305 | 562 | 89 | 286 | 27 | 4 | 247 | 57 | -11 | +1 | -0 | +1 | +5 | -0.5 |
| 2026 | 28 | ROK | ACL Giants | — | 19 | 18 | 7 | 0 | 0 | 1 | 1 | 2 | 0 | 1 | 0 | 389 | 421 | 556 | 977 | 167 | 400 | 11 | 5 | 432 | 92 | — | — | — | — | — | — |
| ▸ Career Totals (raw MLB only — historical actual) | |||||||||||||||||||||||||||||||
| MLB Career | — | — | 412 | 377 | 90 | 15 | 0 | 7 | 18 | 104 | 5 | 9 | 1 | 239 | 282 | 334 | 617 | 95 | 310 | 25 | 4 | 271 | 69 | -15 | +1 | -0 | +2 | +9 | -0.4 | ||
| ▸ Career — adjusted (every ACTUAL line translated to park/league-neutral MLB equivalents) | |||||||||||||||||||||||||||||||
| 2021 | 23 | A+ MLE | Greenville Drive | — | 468 | 437 | 93 | 13 | 5 | 13 | 22 | 134 | 5 | 10 | 4 | 213 | 259 | 355 | 613 | 142 | 268 | 29 | 5 | 264 | 65 | — | — | — | — | — | — |
| 2022 | 24 | AA MLE | Portland Sea Dogs | — | 532 | 498 | 117 | 18 | 4 | 13 | 16 | 168 | 12 | 16 | 5 | 235 | 276 | 365 | 641 | 131 | 314 | 32 | 3 | 276 | 73 | — | — | — | — | — | — |
| 2023 | 25 | AAA MLE | Worcester Red Sox | — | 124 | 115 | 24 | 5 | 1 | 1 | 4 | 31 | 3 | 2 | 1 | 209 | 254 | 296 | 550 | 87 | 264 | 25 | 3 | 236 | 46 | — | — | — | — | — | — |
| 2023 | 25 | AA MLE | Portland Sea Dogs | — | 147 | 137 | 26 | 5 | 1 | 1 | 7 | 40 | 1 | 11 | 1 | 190 | 234 | 263 | 497 | 73 | 250 | 27 | 5 | 219 | 34 | — | — | — | — | — | — |
| 2023 | 25 | ROK MLE | FCL Red Sox | — | 25 | 24 | 5 | 1 | 0 | 1 | 1 | 9 | 0 | 2 | 1 | 208 | 240 | 375 | 615 | 167 | 267 | 36 | 4 | 219 | 34 | — | — | — | — | — | — |
| 2024 | 26 | AAA MLE | Sacramento River Cats | — | 197 | 176 | 44 | 9 | 1 | 4 | 9 | 50 | 6 | 5 | 0 | 250 | 309 | 381 | 690 | 131 | 304 | 25 | 5 | 292 | 84 | — | — | — | — | — | — |
| 2024 | 26 | AA MLE | Richmond Flying Squirrels | — | 96 | 86 | 28 | 9 | 1 | 2 | 7 | 14 | 1 | 6 | 1 | 326 | 383 | 523 | 906 | 198 | 359 | 15 | 7 | 375 | 140 | — | — | — | — | — | — |
| 2024 | 26 | ROK MLE | ACL Giants | — | 31 | 27 | 6 | 2 | 0 | 1 | 3 | 3 | 0 | 2 | 0 | 222 | 300 | 407 | 707 | 185 | 174 | 10 | 10 | 314 | 99 | — | — | — | — | — | — |
| 2025 | 27 | MLB MLE | San Francisco Giants | — | 191 | 174 | 47 | 9 | 0 | 3 | 9 | 45 | 3 | 4 | 1 | 270 | 317 | 374 | 691 | 103 | 336 | 24 | 5 | 304 | 92 | -2 | +0 | -0 | +1 | +4 | 0.3 |
| 2025 | 27 | AAA MLE | Sacramento River Cats | — | 27 | 27 | 7 | 2 | 0 | 1 | 0 | 7 | 0 | 0 | 1 | 259 | 259 | 444 | 704 | 185 | 309 | 26 | 0 | 268 | 68 | — | — | — | — | — | — |
| 2026 | 28 | MLB MLE | San Francisco Giants | — | 221 | 203 | 45 | 6 | 0 | 4 | 9 | 59 | 2 | 5 | 0 | 222 | 262 | 310 | 572 | 89 | 286 | 27 | 4 | 252 | 57 | -11 | +1 | -0 | +1 | +5 | -0.5 |
| 2026 | 28 | ROK MLE | ACL Giants | — | 19 | 18 | 5 | 0 | 0 | 1 | 1 | 3 | 0 | 1 | 0 | 278 | 316 | 444 | 760 | 167 | 303 | 16 | 5 | 304 | 92 | — | — | — | — | — | — |
| 2021 | 23 | A+ MLE | 2 teams | — | 519 | 486 | 102 | 14 | 5 | 14 | 24 | 149 | 5 | 12 | 4 | 210 | 254 | 346 | 600 | 136 | 269 | 29 | 5 | 264 | 65 | — | — | — | — | — | — |
| 2021 | 23 | A+ RAW | 2 teams | — | 519 | 476 | 127 | 19 | 7 | 15 | 34 | 108 | 5 | 12 | 4 | 267 | 322 | 431 | 753 | 164 | 314 | 21 | 7 | 332 | 65 | — | — | — | — | — | — |
| 2022 | 24 | AA MLE | 2 teams | — | 629 | 589 | 138 | 21 | 5 | 15 | 19 | 199 | 14 | 19 | 10 | 234 | 275 | 363 | 638 | 129 | 322 | 32 | 3 | 276 | 73 | — | — | — | — | — | — |
| 2022 | 24 | AA RAW | 2 teams | — | 629 | 575 | 147 | 25 | 6 | 17 | 32 | 154 | 14 | 19 | 10 | 256 | 310 | 409 | 719 | 153 | 316 | 24 | 5 | 317 | 73 | — | — | — | — | — | — |
| 2023 | 25 | AA MLE | 3 teams | — | 296 | 277 | 55 | 11 | 2 | 3 | 11 | 79 | 4 | 15 | 3 | 199 | 240 | 285 | 525 | 87 | 265 | 27 | 4 | 226 | 39 | — | — | — | — | — | — |
| 2023 | 25 | AA RAW | 3 teams | — | 296 | 272 | 64 | 16 | 2 | 4 | 16 | 65 | 4 | 15 | 3 | 235 | 288 | 353 | 641 | 118 | 294 | 22 | 5 | 284 | 39 | — | — | — | — | — | — |
| 2024 | 26 | AAA MLE | 4 teams | — | 365 | 324 | 86 | 22 | 2 | 7 | 22 | 76 | 9 | 15 | 1 | 265 | 330 | 410 | 740 | 145 | 322 | 21 | 6 | 319 | 102 | — | — | — | — | — | — |
| 2024 | 26 | AAA RAW | 4 teams | — | 365 | 312 | 89 | 25 | 2 | 9 | 34 | 71 | 9 | 15 | 1 | 285 | 372 | 465 | 837 | 179 | 339 | 19 | 9 | 363 | 102 | — | — | — | — | — | — |
| 2025 | 27 | MLB MLE | 2 teams | — | 218 | 201 | 54 | 11 | 0 | 4 | 9 | 52 | 3 | 4 | 2 | 269 | 310 | 383 | 693 | 114 | 340 | 24 | 4 | 299 | 89 | -3 | +0 | -0 | +1 | +5 | 0.2 |
| 2025 | 27 | MLB RAW | 2 teams | — | 218 | 201 | 54 | 11 | 0 | 4 | 9 | 51 | 3 | 4 | 2 | 269 | 310 | 383 | 693 | 114 | 338 | 23 | 4 | 304 | 89 | -3 | +0 | -0 | +1 | +5 | 0.2 |
| 2026 | 28 | MLB MLE | 2 teams | — | 240 | 221 | 50 | 6 | 0 | 5 | 10 | 62 | 2 | 6 | 0 | 226 | 266 | 321 | 587 | 95 | 292 | 26 | 4 | 256 | 59 | -12 | +1 | -0 | +1 | +5 | -0.4 |
| 2026 | 28 | MLB RAW | 2 teams | — | 240 | 221 | 51 | 6 | 0 | 5 | 10 | 61 | 2 | 6 | 0 | 231 | 270 | 326 | 596 | 95 | 297 | 25 | 4 | 261 | 59 | -12 | +1 | -0 | +1 | +5 | -0.4 |
| 2021 | 23 | A+ MLE | 2 teams | — | 519 | 485 | 102 | 14 | 5 | 14 | 24 | 149 | 5 | 12 | 4 | 210 | 254 | 346 | 601 | 136 | 268 | 29 | 5 | 264 | 65 | — | — | — | — | — | — |
| 2022 | 24 | AA MLE | 2 teams | — | 629 | 591 | 138 | 21 | 5 | 15 | 19 | 199 | 14 | 19 | 10 | 234 | 275 | 362 | 637 | 129 | 314 | 32 | 3 | 276 | 73 | — | — | — | — | — | — |
| 2023 | 25 | AA MLE | 3 teams | — | 296 | 279 | 55 | 11 | 2 | 3 | 11 | 79 | 4 | 15 | 3 | 197 | 240 | 283 | 523 | 86 | 257 | 27 | 4 | 226 | 39 | — | — | — | — | — | — |
| 2024 | 26 | AAA MLE | 4 teams | — | 365 | 331 | 86 | 22 | 2 | 7 | 22 | 76 | 9 | 15 | 1 | 260 | 330 | 402 | 731 | 142 | 308 | 21 | 6 | 319 | 102 | — | — | — | — | — | — |
| 2025 | 27 | MLB MLE | 2 teams | — | 218 | 204 | 54 | 11 | 0 | 4 | 9 | 52 | 3 | 4 | 2 | 265 | 310 | 377 | 687 | 113 | 333 | 24 | 4 | 299 | 89 | — | — | — | — | — | — |
| 2026 | 28 | MLB MLE | 2 teams | — | 240 | 226 | 50 | 6 | 0 | 5 | 10 | 62 | 2 | 6 | 0 | 221 | 266 | 314 | 580 | 93 | 287 | 26 | 4 | 256 | 59 | — | — | — | — | — | — |
| ▸ Model inputs — neutral MLE (past 3 seasons) | |||||||||||||||||||||||||||||||
| 2024 | 26 | AAA MLE | 4 teams | — | 365 | 331 | 86 | 22 | 2 | 7 | 22 | 76 | 9 | 15 | 1 | 260 | 330 | 402 | 731 | 142 | 308 | 21 | 6 | 319 | 102 | — | — | — | — | — | — |
| 2025 | 27 | MLB MLE | 2 teams | — | 218 | 204 | 54 | 11 | 0 | 4 | 9 | 52 | 3 | 4 | 2 | 265 | 310 | 377 | 687 | 113 | 333 | 24 | 4 | 299 | 89 | — | — | — | — | — | — |
| 2026 | 28 | MLB MLE | 2 teams | — | 240 | 226 | 50 | 6 | 0 | 5 | 10 | 62 | 2 | 6 | 0 | 221 | 266 | 314 | 580 | 93 | 287 | 26 | 4 | 256 | 59 | — | — | — | — | — | — |
| ▸ 2027 season | |||||||||||||||||||||||||||||||
| ▸ 2027 — full MLE projection (neutral park, full availability) | |||||||||||||||||||||||||||||||
| 2027 | 29 | MLB MLE | SF | 100% | 290 | 269 | 62 | 10 | 1 | 6 | 16 | 68 | 3 | 15 | 3 | 231 | 282 | 345 | 627 | 114 | 284 | 23 | 6 | 281 | 76 | -8 | +2 | -0 | +1 | +6 | 0.1 |
| ▸ 2027 — real world (MLB) | |||||||||||||||||||||||||||||||
| 2027 | 29 | MLB CTX | SF | 100% | 182 | 168 | 38 | 6 | 0 | 4 | 10 | 43 | 2 | 9 | 2 | 227 | 278 | 335 | 614 | 108 | 280 | 24 | 5 | 275 | 76 | -5 | +1 | -0 | +1 | +4 | 0.0 |
| ▸ Career projection (2028+) — MLB context, MLB playing time (PA × MLB%) | |||||||||||||||||||||||||||||||
| 2028 | 30 | MLB MLE | SF | 65% | 212 | 197 | 44 | 7 | 0 | 4 | 11 | 51 | 2 | 9 | 2 | 228 | 279 | 337 | 616 | 109 | 283 | 24 | 5 | 276 | 73 | -7 | +1 | -2 | +1 | +5 | -0.3 |
| 2028 | 30 | MLB CTX | SF | 65% | 138 | 128 | 29 | 5 | 0 | 3 | 7 | 33 | 2 | 6 | 1 | 224 | 275 | 328 | 603 | 104 | 279 | 24 | 5 | 271 | 73 | -4 | +1 | -1 | +0 | +3 | -0.2 |
| ▸ Career Totals | |||||||||||||||||||||||||||||||
| ▸ Career totals — MLB only (actual + projected) | |||||||||||||||||||||||||||||||
| Career | — | A+C | — | 550 | 505 | 119 | 20 | 0 | 10 | 25 | 137 | 7 | 15 | 2 | 236 | 281 | 335 | 616 | 99 | 302 | 25 | 5 | 271 | 72 | -19 | +2 | -2 | +2 | +12 | -0.5 | |
| / 162G | — | A+C | — | 650 | 597 | 141 | 24 | 0 | 12 | 30 | 162 | 8 | 18 | 2 | 236 | 282 | 337 | 619 | 101 | 302 | 25 | 5 | 271 | 72 | -23 | +3 | -2 | +3 | +14 | -0.6 | |
| Career | — | MLE | — | 2661 | 2463 | 567 | 98 | 14 | 56 | 116 | 711 | 41 | 89 | 24 | 230 | 276 | 350 | 626 | 119 | 298 | 27 | 4 | 274 | 72 | -27 | +3 | -3 | +3 | +17 | -0.6 | |
| / 162G | — | MLE | — | 650 | 602 | 138 | 24 | 3 | 14 | 28 | 174 | 10 | 22 | 6 | 229 | 275 | 349 | 624 | 120 | 296 | 27 | 4 | 274 | 72 | -22 | +3 | -2 | +2 | +14 | -0.5 | |
How the minor-league lines were translated
One row per minor-league stint. Open a row to see each step: the raw rate, the park adjustment, the league/level factor, the age adjustment (hitters) and the resulting MLE rate. Factors are the same ones listed on the MLE Factors page.
2026 ROKACL Giants · 19 PAwOBA .420 → .304 (−115)K% 10.5% → 15.2%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 10.53% | ÷1.000 | ×1.440 | — | — | 15.16% |
| BB% (unintentional) /PA | 5.26% | ÷1.000 | ×0.620 | — | ×0.940 | 3.07% |
| HBP% /PA | 0.00% | — | ×0.720 | — | ×0.940 | 0.00% |
| Singles /BIP | 37.50% | ÷1.000 | ×0.820 | — | ×0.940 | 28.90% |
| Doubles /BIP | 0.00% | ÷1.000 | ×0.720 | — | ×0.940 | 0.00% |
| Triples /BIP | 0.00% | ÷1.000 | ×0.720 | — | ×0.940 | 0.00% |
| Home runs /BIP | 6.25% | ÷1.000 | ×0.780 | — | ×0.940 | 4.58% |
Factors used: level-wide ROK factors (no league-specific row for this league/era). Park (home-season share, regressed): no park row on file (treated as neutral) — applied at half strength. Age: age 28 vs a level average of 19.5 → −6.0% on BB/HBP/hit rates (8.5 yr older than average).
Result: wOBA .420 → .304; ISO .167 → .119; BABIP .400 → .303. Both wOBAs use the same linear weights, so the change is the translation alone. The MLE line is not regressed to the mean — regression happens later, when seasons are blended into a projection (how).
2025 AAASacramento River Cats · 27 PAwOBA .329 → .268 (−61)K% 22.2% → 26.4%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 22.22% | ÷1.010 | ×1.200 | — | — | 26.39% |
| BB% (unintentional) /PA | 0.00% | ÷1.011 | ×0.690 | — | ×1.003 | 0.00% |
| HBP% /PA | 0.00% | — | ×0.940 | — | ×1.003 | 0.00% |
| Singles /BIP | 23.81% | ÷1.030 | ×0.930 | — | ×1.003 | 21.56% |
| Doubles /BIP | 9.52% | ÷0.959 | ×0.830 | — | ×1.003 | 8.26% |
| Triples /BIP | 0.00% | ÷0.900 | ×0.970 | — | ×1.003 | 0.00% |
| Home runs /BIP | 4.76% | ÷0.938 | ×0.700 | — | ×1.003 | 3.56% |
Factors used: league row International League. Park (home-season share, regressed): HR 88, 1B 106, 2B 92, 3B 80, K 102, BB 102 — applied at half strength. Age: age 27 vs a level average of 27.2 → +0.3% on BB/HBP/hit rates (0.2 yr younger than average).
Result: wOBA .329 → .268; ISO .185 → .140; BABIP .350 → .309. Both wOBAs use the same linear weights, so the change is the translation alone. The MLE line is not regressed to the mean — regression happens later, when seasons are blended into a projection (how).
2024 AAASacramento River Cats · 197 PAwOBA .321 → .292 (−30)K% 22.8% → 25.4%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 22.84% | ÷1.081 | ×1.200 | — | — | 25.35% |
| BB% (unintentional) /PA | 7.11% | ÷1.032 | ×0.690 | — | ×1.018 | 4.84% |
| HBP% /PA | 3.05% | — | ×0.940 | — | ×1.018 | 2.91% |
| Singles /BIP | 22.22% | ÷0.976 | ×0.930 | ×1.049 | ×1.018 | 22.61% |
| Doubles /BIP | 7.94% | ÷1.052 | ×0.830 | ×1.049 | ×1.018 | 6.69% |
| Triples /BIP | 0.79% | ÷1.091 | ×0.970 | ×1.049 | ×1.018 | 0.75% |
| Home runs /BIP | 3.97% | ÷1.010 | ×0.700 | — | ×1.018 | 2.80% |
Factors used: league row International League. Park (home-season share, regressed): HR 102, 1B 95, 2B 110, 3B 118, K 116, BB 106 — applied at half strength. Age: age 26 vs a level average of 27.2 → +1.8% on BB/HBP/hit rates (1.2 yr younger than average). Ground-ball/fly-ball mix moves 1B/2B/3B by ×1.049.
Result: wOBA .321 → .292; ISO .158 → .128; BABIP .317 → .304. Both wOBAs use the same linear weights, so the change is the translation alone. The MLE line is not regressed to the mean — regression happens later, when seasons are blended into a projection (how).
2024 AARichmond Flying Squirrels · 96 PAwOBA .454 → .375 (−78)K% 12.5% → 14.9%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 12.50% | ÷1.025 | ×1.220 | — | — | 14.88% |
| BB% (unintentional) /PA | 10.42% | ÷0.988 | ×0.700 | — | ×0.988 | 7.29% |
| HBP% /PA | 1.04% | — | ×0.850 | — | ×0.988 | 0.87% |
| Singles /BIP | 23.94% | ÷0.999 | ×0.970 | ×0.953 | ×0.988 | 21.89% |
| Doubles /BIP | 16.90% | ÷1.110 | ×0.860 | ×0.953 | ×0.988 | 12.34% |
| Triples /BIP | 1.41% | ÷0.900 | ×0.950 | ×0.953 | ×0.988 | 1.40% |
| Home runs /BIP | 2.82% | ÷1.062 | ×0.780 | — | ×0.988 | 2.04% |
Factors used: league row EL. Park (home-season share, regressed): HR 112, 1B 100, 2B 122, 3B 80, K 105, BB 98 — applied at half strength. Age: age 26 vs a level average of 24.8 → −1.2% on BB/HBP/hit rates (1.2 yr older than average). Ground-ball/fly-ball mix moves 1B/2B/3B by ×0.953.
Result: wOBA .454 → .375; ISO .241 → .189; BABIP .429 → .359. Both wOBAs use the same linear weights, so the change is the translation alone. The MLE line is not regressed to the mean — regression happens later, when seasons are blended into a projection (how).
2024 ROKACL Giants · 31 PAwOBA .443 → .314 (−128)K% 6.5% → 9.3%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 6.45% | ÷0.997 | ×1.440 | — | — | 9.32% |
| BB% (unintentional) /PA | 19.35% | ÷1.062 | ×0.620 | — | ×0.940 | 10.62% |
| HBP% /PA | 0.00% | — | ×0.720 | — | ×0.940 | 0.00% |
| Singles /BIP | 13.64% | ÷1.003 | ×0.820 | — | ×0.940 | 10.48% |
| Doubles /BIP | 9.09% | ÷0.927 | ×0.720 | — | ×0.940 | 6.64% |
| Triples /BIP | 0.00% | ÷0.900 | ×0.720 | — | ×0.940 | 0.00% |
| Home runs /BIP | 9.09% | ÷1.178 | ×0.780 | — | ×0.940 | 5.66% |
Factors used: level-wide ROK factors (no league-specific row for this league/era). Park (home-season share, regressed): HR 136, 1B 101, 2B 85, 3B 80, K 99, BB 112 — applied at half strength. Age: age 26 vs a level average of 19.5 → −6.0% on BB/HBP/hit rates (6.5 yr older than average).
Result: wOBA .443 → .314; ISO .333 → .244; BABIP .238 → .174. Both wOBAs use the same linear weights, so the change is the translation alone. The MLE line is not regressed to the mean — regression happens later, when seasons are blended into a projection (how).
2023 AAPortland Sea Dogs · 147 PAwOBA .269 → .219 (−50)K% 22.4% → 27.4%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 22.45% | ÷1.000 | ×1.220 | — | — | 27.39% |
| BB% (unintentional) /PA | 6.80% | ÷1.032 | ×0.700 | — | ×0.998 | 4.60% |
| HBP% /PA | 0.68% | — | ×0.850 | — | ×0.998 | 0.58% |
| Singles /BIP | 19.80% | ÷0.972 | ×0.970 | ×0.950 | ×0.998 | 18.74% |
| Doubles /BIP | 6.93% | ÷1.144 | ×0.860 | ×0.950 | ×0.998 | 4.94% |
| Triples /BIP | 0.99% | ÷0.900 | ×0.950 | ×0.950 | ×0.998 | 0.99% |
| Home runs /BIP | 1.98% | ÷1.048 | ×0.780 | — | ×0.998 | 1.47% |
Factors used: league row EL. Park (home-season share, regressed): HR 110, 1B 94, 2B 129, 3B 80, K 100, BB 106 — applied at half strength. Age: age 25 vs a level average of 24.8 → −0.2% on BB/HBP/hit rates (0.2 yr older than average). Ground-ball/fly-ball mix moves 1B/2B/3B by ×0.950.
Result: wOBA .269 → .219; ISO .112 → .084; BABIP .283 → .250. Both wOBAs use the same linear weights, so the change is the translation alone. The MLE line is not regressed to the mean — regression happens later, when seasons are blended into a projection (how).
2023 AAAWorcester Red Sox · 124 PAwOBA .277 → .236 (−42)K% 21.0% → 24.6%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 20.97% | ÷1.023 | ×1.200 | — | — | 24.60% |
| BB% (unintentional) /PA | 4.03% | ÷0.986 | ×0.690 | — | ×1.033 | 2.92% |
| HBP% /PA | 2.42% | — | ×0.940 | — | ×1.033 | 2.35% |
| Singles /BIP | 19.32% | ÷0.996 | ×0.930 | ×1.024 | ×1.033 | 19.07% |
| Doubles /BIP | 9.09% | ÷1.309 | ×0.830 | ×1.024 | ×1.033 | 6.09% |
| Triples /BIP | 1.14% | ÷0.905 | ×0.970 | ×1.024 | ×1.033 | 1.29% |
| Home runs /BIP | 1.14% | ÷1.008 | ×0.700 | — | ×1.033 | 0.82% |
Factors used: league row International League. Park (home-season share, regressed): HR 102, 1B 99, 2B 162, 3B 81, K 105, BB 97 — applied at half strength. Age: age 25 vs a level average of 27.2 → +3.3% on BB/HBP/hit rates (2.2 yr younger than average). Ground-ball/fly-ball mix moves 1B/2B/3B by ×1.024.
Result: wOBA .277 → .236; ISO .114 → .085; BABIP .295 → .264. Both wOBAs use the same linear weights, so the change is the translation alone. The MLE line is not regressed to the mean — regression happens later, when seasons are blended into a projection (how).
2023 ROKFCL Red Sox · 25 PAwOBA .334 → .219 (−115)K% 24.0% → 34.7%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 24.00% | ÷0.995 | ×1.440 | — | — | 34.74% |
| BB% (unintentional) /PA | 4.00% | ÷1.000 | ×0.620 | — | ×0.945 | 2.34% |
| HBP% /PA | 0.00% | — | ×0.720 | — | ×0.945 | 0.00% |
| Singles /BIP | 27.78% | ÷0.977 | ×0.820 | — | ×0.945 | 22.04% |
| Doubles /BIP | 5.56% | ÷1.079 | ×0.720 | — | ×0.945 | 3.50% |
| Triples /BIP | 0.00% | ÷1.150 | ×0.720 | — | ×0.945 | 0.00% |
| Home runs /BIP | 5.56% | ÷0.974 | ×0.780 | — | ×0.945 | 4.21% |
Factors used: level-wide ROK factors (no league-specific row for this league/era). Park (home-season share, regressed): HR 95, 1B 95, 2B 116, 3B 130, K 99, BB 100 — applied at half strength. Age: age 25 vs a level average of 19.5 → −5.5% on BB/HBP/hit rates (5.5 yr older than average).
Result: wOBA .334 → .219; ISO .167 → .106; BABIP .353 → .267. Both wOBAs use the same linear weights, so the change is the translation alone. The MLE line is not regressed to the mean — regression happens later, when seasons are blended into a projection (how).
Not traceable per stint: some stints lack the counting stats the component translation needs. Level-wide factors that apply instead — .