Joan Sierra3B
DSL Padres Brown
Age 19
R/R
5'10" / 175 lbs
ROK
HR +5%
Svc 0.0 · Ctrl thru 2037
2026 FULL-SEASON PROJECTIONpark-neutral Marcel · 62 proj PA
wRC+†65
AVG/OBP/SLG.199 / .280 / .291
PA5
HR0
K%30
BB%8
ISO93
MLB%0%
Value2026 · WAR
━ projected WAR━ paid WAR ($/8M) surplus deficit+$10M ctrl surplus
Tools · Contract
Career Stats + Projections
Real MLB stats plus park-adjusted projections — this season (so far / rest / full), then future seasons and career totals.
basis chips:
RAW = as recorded ·
CTX = with park/league context ·
A+C = actual + context combined ·
MLE = level/park-neutral
Methodology▸ how these numbers are built
All seasons translated to park-neutral MLB-equivalent (MLE) and combined per year. 2026 = actual YTD + projected ROS + total. 2027+ 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) | |||||||||||||||||||||||||||||||
| 2023 | 16 | ROK | DSL Padres Brown | — | 72 | 59 | 11 | 3 | 0 | 1 | 6 | 20 | 7 | 0 | 0 | 186 | 333 | 288 | 621 | 102 | 263 | 28 | 8 | 300 | 89 | -1 | +0 | — | — | +2 | 0.1 |
| 2024 | 17 | ROK | DSL Padres Brown | — | 110 | 80 | 13 | 5 | 1 | 1 | 27 | 26 | 2 | 7 | 1 | 163 | 385 | 287 | 673 | 125 | 226 | 24 | 25 | 326 | 107 | +1 | +1 | — | — | +2 | 0.4 |
| ▸ Career — adjusted (every ACTUAL line translated to park/league-neutral MLB equivalents) | |||||||||||||||||||||||||||||||
| 2023 | 16 | ROK MLE | DSL Padres Brown | — | 72 | 61 | 8 | 2 | 0 | 1 | 4 | 29 | 7 | 0 | 0 | 131 | 264 | 213 | 477 | 82 | 207 | 40 | 6 | 201 | 22 | -7 | +0 | — | — | +2 | -0.5 |
| 2024 | 17 | ROK MLE | DSL Padres Brown | — | 110 | 91 | 10 | 3 | 1 | 1 | 16 | 38 | 2 | 7 | 1 | 110 | 257 | 198 | 455 | 88 | 168 | 35 | 15 | 213 | 30 | -9 | +1 | — | — | +2 | -0.6 |
| 2023 | 16 | ROK MLE | DSL Padres Brown | — | 72 | 61 | 8 | 2 | 0 | 1 | 4 | 29 | 7 | 0 | 0 | 131 | 264 | 213 | 477 | 82 | 226 | 40 | 6 | 201 | 22 | — | — | — | — | — | — |
| 2023 | 16 | ROK RAW | DSL Padres Brown | — | 72 | 59 | 11 | 3 | 0 | 1 | 6 | 20 | 7 | 0 | 0 | 186 | 333 | 288 | 621 | 102 | 263 | 28 | 8 | 300 | 22 | — | — | — | — | — | — |
| 2024 | 17 | ROK MLE | DSL Padres Brown | — | 110 | 91 | 10 | 3 | 1 | 1 | 16 | 38 | 2 | 7 | 1 | 110 | 257 | 198 | 455 | 88 | 173 | 35 | 15 | 213 | 30 | — | — | — | — | — | — |
| 2024 | 17 | ROK RAW | DSL Padres Brown | — | 110 | 80 | 13 | 5 | 1 | 1 | 27 | 26 | 2 | 7 | 1 | 163 | 385 | 287 | 673 | 125 | 226 | 24 | 25 | 326 | 30 | — | — | — | — | — | — |
| 2023 | 16 | ROK MLE | DSL Padres Brown | — | 72 | 61 | 8 | 2 | 0 | 1 | 4 | 29 | 7 | 0 | 0 | 131 | 264 | 213 | 477 | 82 | 207 | 40 | 6 | 201 | 22 | — | — | — | — | — | — |
| 2024 | 17 | ROK MLE | DSL Padres Brown | — | 110 | 91 | 10 | 3 | 1 | 1 | 16 | 38 | 2 | 7 | 1 | 110 | 257 | 198 | 455 | 88 | 168 | 35 | 15 | 213 | 30 | — | — | — | — | — | — |
| ▸ Model inputs — neutral MLE (past 3 seasons + 2026 so far) | |||||||||||||||||||||||||||||||
| 2023 | 16 | ROK MLE | DSL Padres Brown | — | 72 | 61 | 8 | 2 | 0 | 1 | 4 | 29 | 7 | 0 | 0 | 131 | 264 | 213 | 477 | 82 | 207 | 40 | 6 | 201 | 22 | — | — | — | — | — | — |
| 2024 | 17 | ROK MLE | DSL Padres Brown | — | 110 | 91 | 10 | 3 | 1 | 1 | 16 | 38 | 2 | 7 | 1 | 110 | 257 | 198 | 455 | 88 | 168 | 35 | 15 | 213 | 30 | — | — | — | — | — | — |
| ▸ 2026 season | |||||||||||||||||||||||||||||||
| 2026 | 19 | MLB MLE | SD | 0% | 5 | 5 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 200 | 200 | 200 | 400 | 287 | 40 | 0 | 265 | 65 | -0 | +0 | +0 | +0 | +0 | -0.1 | |
| ▸ Career projection (2027+) — MLB context, MLB playing time (PA × MLB%) | |||||||||||||||||||||||||||||||
| 2027 | 20 | MLB MLE | SD | 34% | 120 | 107 | 22 | 4 | 1 | 2 | 10 | 35 | 2 | 2 | 0 | 206 | 286 | 318 | 603 | 112 | 290 | 29 | 8 | 276 | 73 | -4 | +0 | +0 | +0 | +3 | -0.0 |
| 2028 | 21 | MLB MLE | SD | 48% | 271 | 241 | 52 | 10 | 2 | 5 | 23 | 77 | 5 | 4 | 1 | 216 | 297 | 336 | 633 | 120 | 291 | 28 | 8 | 283 | 78 | -7 | +0 | +0 | +1 | +6 | 0.0 |
| 2029 | 22 | MLB MLE | SD | 54% | 385 | 342 | 75 | 15 | 3 | 7 | 33 | 108 | 7 | 6 | 1 | 219 | 301 | 342 | 643 | 123 | 292 | 28 | 9 | 289 | 82 | -8 | +1 | +0 | +1 | +8 | 0.2 |
| 2030 | 23 | MLB MLE | SD | 57% | 462 | 411 | 90 | 18 | 3 | 9 | 40 | 128 | 8 | 7 | 2 | 219 | 301 | 343 | 644 | 124 | 293 | 28 | 9 | 292 | 84 | -9 | +1 | +0 | +2 | +10 | 0.4 |
| 2031 | 24 | MLB MLE | SD | 57% | 513 | 455 | 102 | 20 | 4 | 11 | 44 | 142 | 9 | 8 | 2 | 224 | 305 | 358 | 663 | 134 | 294 | 28 | 9 | 295 | 86 | -9 | +1 | +0 | +2 | +11 | 0.5 |
| 2032 | 25 | MLB MLE | SD | 57% | 544 | 482 | 108 | 21 | 4 | 12 | 47 | 150 | 10 | 8 | 2 | 224 | 306 | 359 | 665 | 135 | 294 | 28 | 9 | 296 | 87 | -9 | +1 | +0 | +2 | +12 | 0.6 |
| 2033 | 26 | MLB MLE | SD | 56% | 562 | 499 | 110 | 21 | 4 | 12 | 48 | 155 | 10 | 8 | 2 | 220 | 302 | 351 | 652 | 130 | 294 | 28 | 9 | 297 | 87 | -9 | +1 | +0 | +2 | +12 | 0.7 |
| 2034 | 27 | MLB MLE | SD | 55% | 568 | 503 | 111 | 21 | 4 | 12 | 50 | 157 | 10 | 8 | 2 | 221 | 304 | 350 | 654 | 129 | 293 | 28 | 9 | 297 | 87 | -9 | +1 | +0 | +2 | +12 | 0.7 |
| 2035 | 28 | MLB MLE | SD | 55% | 568 | 503 | 111 | 21 | 4 | 12 | 50 | 158 | 10 | 8 | 2 | 221 | 304 | 350 | 654 | 129 | 293 | 28 | 9 | 296 | 86 | -9 | +1 | -1 | +2 | +12 | 0.5 |
| 2036 | 29 | MLB MLE | SD | 53% | 561 | 496 | 109 | 21 | 4 | 12 | 50 | 157 | 10 | 7 | 2 | 220 | 304 | 351 | 655 | 131 | 292 | 28 | 9 | 294 | 85 | -10 | +1 | -1 | +2 | +12 | 0.3 |
| 2037 | 30 | MLB MLE | SD | 53% | 552 | 488 | 105 | 20 | 3 | 11 | 49 | 156 | 10 | 6 | 2 | 215 | 300 | 336 | 636 | 121 | 290 | 28 | 9 | 291 | 83 | -11 | +0 | -2 | +2 | +12 | 0.1 |
| 2038 | 31 | MLB MLE | SD | 52% | 539 | 476 | 101 | 19 | 3 | 11 | 48 | 154 | 10 | 5 | 1 | 212 | 298 | 334 | 632 | 122 | 287 | 29 | 9 | 287 | 80 | -13 | +1 | -3 | +2 | +12 | -0.1 |
| 2027 | 20 | MLB CTX | SD | 34% | 41 | 37 | 7 | 1 | 0 | 1 | 3 | 12 | 1 | 1 | 0 | 189 | 268 | 297 | 566 | 108 | 286 | 29 | 7 | 261 | 73 | -1 | +0 | +0 | +0 | +1 | -0.0 |
| 2028 | 21 | MLB CTX | SD | 48% | 131 | 117 | 25 | 5 | 1 | 2 | 11 | 37 | 2 | 2 | 0 | 214 | 292 | 325 | 617 | 111 | 288 | 28 | 8 | 269 | 78 | -3 | +0 | +0 | +0 | +3 | 0.0 |
| 2029 | 22 | MLB CTX | SD | 54% | 209 | 185 | 40 | 8 | 1 | 4 | 18 | 59 | 4 | 3 | 1 | 216 | 300 | 335 | 635 | 119 | 289 | 28 | 9 | 274 | 82 | -5 | +0 | +0 | +1 | +5 | 0.1 |
| 2030 | 23 | MLB CTX | SD | 57% | 262 | 233 | 51 | 10 | 2 | 5 | 22 | 73 | 5 | 4 | 1 | 219 | 300 | 343 | 643 | 124 | 290 | 28 | 8 | 278 | 84 | -5 | +0 | +0 | +1 | +6 | 0.2 |
| 2031 | 24 | MLB CTX | SD | 57% | 290 | 258 | 57 | 11 | 2 | 6 | 25 | 80 | 5 | 4 | 1 | 221 | 302 | 349 | 651 | 128 | 291 | 28 | 9 | 280 | 86 | -5 | +0 | +0 | +1 | +6 | 0.3 |
| 2032 | 25 | MLB CTX | SD | 57% | 307 | 272 | 60 | 11 | 2 | 7 | 26 | 85 | 6 | 5 | 1 | 221 | 303 | 353 | 656 | 132 | 291 | 28 | 8 | 282 | 87 | -5 | +1 | +0 | +1 | +7 | 0.4 |
| 2033 | 26 | MLB CTX | SD | 56% | 317 | 281 | 62 | 12 | 2 | 7 | 27 | 88 | 6 | 5 | 1 | 221 | 303 | 352 | 655 | 132 | 291 | 28 | 9 | 283 | 87 | -5 | +1 | +0 | +1 | +7 | 0.4 |
| 2034 | 27 | MLB CTX | SD | 55% | 315 | 278 | 62 | 12 | 2 | 7 | 28 | 87 | 6 | 5 | 1 | 223 | 308 | 356 | 664 | 133 | 290 | 28 | 9 | 283 | 87 | -5 | +1 | +0 | +1 | +7 | 0.4 |
| 2035 | 28 | MLB CTX | SD | 55% | 312 | 275 | 60 | 11 | 2 | 7 | 28 | 87 | 6 | 4 | 1 | 218 | 304 | 349 | 653 | 131 | 290 | 28 | 9 | 282 | 86 | -5 | +0 | -0 | +1 | +7 | 0.3 |
| 2036 | 29 | MLB CTX | SD | 53% | 300 | 265 | 58 | 11 | 2 | 7 | 27 | 84 | 5 | 4 | 1 | 219 | 303 | 355 | 658 | 136 | 289 | 28 | 9 | 280 | 85 | -5 | +0 | -1 | +1 | +6 | 0.2 |
| 2037 | 30 | MLB CTX | SD | 53% | 291 | 258 | 55 | 10 | 2 | 6 | 26 | 82 | 5 | 3 | 1 | 213 | 298 | 337 | 635 | 124 | 287 | 28 | 9 | 277 | 83 | -6 | +0 | -1 | +1 | +6 | 0.1 |
| 2038 | 31 | MLB CTX | SD | 52% | 281 | 249 | 53 | 10 | 2 | 6 | 25 | 80 | 5 | 3 | 1 | 213 | 297 | 341 | 639 | 129 | 284 | 28 | 9 | 273 | 80 | -7 | +0 | -1 | +1 | +6 | -0.1 |
| ▸ Career Totals | |||||||||||||||||||||||||||||||
| ▸ Career totals — MLB only (actual + projected) | |||||||||||||||||||||||||||||||
| Career | — | A+C | — | 3056 | 2708 | 590 | 112 | 20 | 65 | 266 | 854 | 56 | 43 | 10 | 218 | 301 | 346 | 647 | 128 | 291 | 28 | 9 | 279 | 82 | -57 | +5 | -4 | +11 | +66 | 2.2 | |
| / 162G | — | A+C | — | 650 | 576 | 126 | 24 | 4 | 14 | 57 | 182 | 12 | 9 | 2 | 219 | 302 | 347 | 650 | 128 | 292 | 28 | 9 | 279 | 82 | -12 | +1 | -1 | +2 | +14 | 0.5 | |
| Career | — | MLE | — | 5832 | 5160 | 1115 | 216 | 40 | 118 | 512 | 1646 | 110 | 84 | 20 | 216 | 300 | 342 | 642 | 126 | 291 | 28 | 9 | 290 | 82 | -106 | +8 | -7 | +20 | +122 | 3.8 | |
| / 162G | — | MLE | — | 650 | 575 | 124 | 24 | 4 | 13 | 57 | 183 | 12 | 9 | 2 | 216 | 299 | 339 | 638 | 123 | 291 | 28 | 9 | 290 | 82 | -12 | +1 | -1 | +2 | +14 | 0.4 | |