Jon Kemmer
PosLF
B/TL/L
Born1990-11-17
Age (2026)35
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) | |||||||||||||||||||||||||||||||
| 2014 | 23 | A+ | Lancaster JetHawks | — | 159 | 153 | 45 | 10 | 1 | 12 | 4 | 33 | 1 | 0 | 1 | 294 | 316 | 608 | 924 | 314 | 303 | 21 | 3 | 395 | 154 | +10 | -0 | — | — | +3 | 1.3 |
| 2014 | 23 | A | Quad Cities River Bandits | — | 204 | 180 | 52 | 15 | 1 | 4 | 20 | 39 | 3 | 3 | 1 | 289 | 369 | 450 | 819 | 161 | 350 | 19 | 10 | 364 | 133 | +8 | +0 | — | — | +4 | 1.3 |
| 2015 | 24 | AA | Corpus Christi Hooks | — | 425 | 364 | 119 | 28 | 4 | 18 | 45 | 89 | 12 | 9 | 1 | 327 | 418 | 574 | 992 | 247 | 387 | 21 | 11 | 429 | 177 | +39 | +1 | — | — | +9 | 5.0 |
| 2016 | 25 | AAA | Fresno Grizzlies | — | 452 | 407 | 108 | 24 | 4 | 18 | 38 | 128 | 5 | 8 | 10 | 265 | 336 | 477 | 812 | 211 | 342 | 28 | 8 | 356 | 127 | +15 | -2 | — | — | +10 | 2.2 |
| 2017 | 26 | AAA | Fresno Grizzlies | — | 358 | 304 | 91 | 17 | 3 | 16 | 44 | 95 | 8 | 6 | 2 | 299 | 402 | 533 | 935 | 234 | 385 | 27 | 12 | 409 | 163 | +27 | +0 | — | — | +8 | 3.6 |
| 2018 | 27 | AAA | Rochester Red Wings | — | 463 | 410 | 100 | 24 | 5 | 17 | 42 | 125 | 9 | 5 | 2 | 244 | 328 | 451 | 779 | 207 | 307 | 27 | 9 | 344 | 119 | +10 | +0 | — | — | +10 | 2.1 |
| 2019 | 28 | AAA | Oklahoma City Dodgers | — | 401 | 339 | 108 | 21 | 0 | 27 | 45 | 102 | 16 | 1 | 1 | 319 | 422 | 619 | 1.042 | 301 | 384 | 25 | 11 | 450 | 191 | +43 | -0 | — | — | +9 | 5.3 |
| 2019 | 28 | INTL | Algodoneros de Guasave | — | 78 | 72 | 14 | 3 | 0 | 0 | 5 | 29 | 1 | 1 | 0 | 194 | 256 | 236 | 493 | 42 | 326 | 37 | 6 | 231 | 43 | -5 | +0 | — | — | +2 | -0.4 |
| 2020 | 29 | INTL | Aguilas Cibaenas | — | 15 | 12 | 3 | 1 | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 250 | 400 | 333 | 733 | 83 | 333 | 20 | 13 | 348 | 122 | +0 | +0 | — | — | +0 | 0.1 |
| ▸ Career — adjusted (every ACTUAL line translated to park/league-neutral MLB equivalents) | |||||||||||||||||||||||||||||||
| 2014 | 23 | A+ MLE | Lancaster JetHawks | — | 159 | 154 | 36 | 8 | 1 | 8 | 3 | 47 | 1 | 0 | 1 | 234 | 253 | 455 | 708 | 221 | 275 | 30 | 2 | 297 | 87 | -2 | -0 | — | — | +3 | 0.1 |
| 2014 | 23 | A MLE | Quad Cities River Bandits | — | 204 | 187 | 44 | 12 | 1 | 3 | 13 | 53 | 3 | 3 | 1 | 235 | 296 | 358 | 654 | 123 | 309 | 26 | 6 | 283 | 78 | -5 | +0 | — | — | +4 | -0.1 |
| 2015 | 24 | AA MLE | Corpus Christi Hooks | — | 425 | 379 | 104 | 25 | 4 | 13 | 30 | 113 | 12 | 9 | 1 | 274 | 347 | 464 | 811 | 190 | 347 | 27 | 7 | 349 | 122 | +11 | +1 | — | — | +9 | 2.2 |
| 2016 | 25 | AAA MLE | Fresno Grizzlies | — | 452 | 418 | 83 | 17 | 3 | 12 | 27 | 166 | 5 | 8 | 10 | 199 | 256 | 340 | 595 | 141 | 288 | 37 | 6 | 259 | 61 | -21 | -2 | — | — | +10 | -1.4 |
| 2017 | 26 | AAA MLE | Fresno Grizzlies | — | 358 | 318 | 75 | 14 | 2 | 12 | 30 | 124 | 8 | 6 | 2 | 236 | 317 | 406 | 723 | 170 | 340 | 35 | 8 | 318 | 101 | +1 | +0 | — | — | +8 | 0.9 |
| 2018 | 27 | AAA MLE | Rochester Red Wings | — | 463 | 425 | 82 | 19 | 4 | 13 | 27 | 153 | 9 | 5 | 2 | 193 | 256 | 348 | 604 | 155 | 260 | 33 | 6 | 263 | 64 | -20 | +0 | — | — | +10 | -1.0 |
| 2019 | 28 | AAA MLE | Oklahoma City Dodgers | — | 401 | 353 | 80 | 15 | 0 | 19 | 31 | 130 | 16 | 1 | 1 | 227 | 318 | 431 | 748 | 204 | 297 | 32 | 8 | 326 | 107 | +3 | -0 | — | — | +9 | 1.2 |
| 2014 | 23 | A MLE | 2 teams | — | 363 | 341 | 80 | 20 | 2 | 11 | 16 | 100 | 4 | 3 | 2 | 235 | 277 | 402 | 679 | 167 | 299 | 28 | 4 | 289 | 82 | — | — | — | — | — | — |
| 2014 | 23 | A RAW | 2 teams | — | 363 | 333 | 97 | 25 | 2 | 16 | 24 | 72 | 4 | 3 | 2 | 291 | 346 | 523 | 869 | 231 | 329 | 20 | 7 | 378 | 82 | — | — | — | — | — | — |
| 2015 | 24 | AA MLE | Corpus Christi Hooks | — | 425 | 379 | 104 | 25 | 4 | 13 | 30 | 113 | 12 | 9 | 1 | 274 | 347 | 464 | 811 | 190 | 354 | 27 | 7 | 349 | 122 | — | — | — | — | — | — |
| 2015 | 24 | AA RAW | Corpus Christi Hooks | — | 425 | 364 | 119 | 28 | 4 | 18 | 45 | 89 | 12 | 9 | 1 | 327 | 418 | 574 | 992 | 247 | 387 | 21 | 11 | 429 | 122 | — | — | — | — | — | — |
| 2016 | 25 | AAA MLE | Fresno Grizzlies | — | 452 | 418 | 83 | 17 | 3 | 12 | 27 | 166 | 5 | 8 | 10 | 199 | 256 | 340 | 595 | 141 | 293 | 37 | 6 | 259 | 61 | — | — | — | — | — | — |
| 2016 | 25 | AAA RAW | Fresno Grizzlies | — | 452 | 407 | 108 | 24 | 4 | 18 | 38 | 128 | 5 | 8 | 10 | 265 | 336 | 477 | 812 | 211 | 342 | 28 | 8 | 356 | 61 | — | — | — | — | — | — |
| 2017 | 26 | AAA MLE | Fresno Grizzlies | — | 358 | 318 | 75 | 14 | 2 | 12 | 30 | 124 | 8 | 6 | 2 | 236 | 317 | 406 | 723 | 170 | 342 | 35 | 8 | 318 | 101 | — | — | — | — | — | — |
| 2017 | 26 | AAA RAW | Fresno Grizzlies | — | 358 | 304 | 91 | 17 | 3 | 16 | 44 | 95 | 8 | 6 | 2 | 299 | 402 | 533 | 935 | 234 | 385 | 27 | 12 | 409 | 101 | — | — | — | — | — | — |
| 2018 | 27 | AAA MLE | Rochester Red Wings | — | 463 | 425 | 82 | 19 | 4 | 13 | 27 | 153 | 9 | 5 | 2 | 193 | 256 | 348 | 604 | 155 | 264 | 33 | 6 | 263 | 64 | — | — | — | — | — | — |
| 2018 | 27 | AAA RAW | Rochester Red Wings | — | 463 | 410 | 100 | 24 | 5 | 17 | 42 | 125 | 9 | 5 | 2 | 244 | 328 | 451 | 779 | 207 | 307 | 27 | 9 | 344 | 64 | — | — | — | — | — | — |
| 2019 | 28 | AAA MLE | 2 teams | — | 479 | 424 | 95 | 18 | 0 | 22 | 37 | 155 | 17 | 2 | 1 | 224 | 312 | 422 | 734 | 198 | 294 | 32 | 8 | 326 | 107 | — | — | — | — | — | — |
| 2019 | 28 | AAA RAW | 2 teams | — | 479 | 411 | 122 | 24 | 0 | 27 | 50 | 131 | 17 | 2 | 1 | 297 | 395 | 552 | 948 | 255 | 374 | 27 | 10 | 415 | 107 | — | — | — | — | — | — |
| 2020 | 29 | INTL MLE | Aguilas Cibaenas | — | 15 | 12 | 3 | 1 | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 250 | 400 | 333 | 733 | 83 | 333 | 20 | 13 | — | — | — | — | — | — | — | — |
| 2020 | 29 | INTL RAW | Aguilas Cibaenas | — | 15 | 12 | 3 | 1 | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 250 | 400 | 333 | 733 | 83 | 333 | 20 | 13 | 348 | 122 | — | — | — | — | — | — |
| 2014 | 23 | A MLE | 2 teams | — | 363 | 340 | 80 | 20 | 2 | 11 | 16 | 100 | 4 | 3 | 2 | 235 | 277 | 403 | 680 | 168 | 294 | 28 | 4 | 289 | 82 | — | — | — | — | — | — |
| 2015 | 24 | AA MLE | Corpus Christi Hooks | — | 425 | 380 | 104 | 25 | 4 | 13 | 30 | 113 | 12 | 9 | 1 | 274 | 347 | 463 | 810 | 189 | 347 | 27 | 7 | 349 | 122 | — | — | — | — | — | — |
| 2016 | 25 | AAA MLE | Fresno Grizzlies | — | 452 | 417 | 83 | 17 | 3 | 12 | 27 | 166 | 5 | 8 | 10 | 199 | 256 | 341 | 596 | 141 | 288 | 37 | 6 | 259 | 61 | — | — | — | — | — | — |
| 2017 | 26 | AAA MLE | Fresno Grizzlies | — | 358 | 317 | 75 | 14 | 2 | 12 | 30 | 124 | 8 | 6 | 2 | 237 | 317 | 407 | 724 | 170 | 340 | 35 | 8 | 318 | 101 | — | — | — | — | — | — |
| 2018 | 27 | AAA MLE | Rochester Red Wings | — | 463 | 424 | 82 | 19 | 4 | 13 | 27 | 153 | 9 | 5 | 2 | 193 | 256 | 349 | 605 | 156 | 260 | 33 | 6 | 263 | 64 | — | — | — | — | — | — |
| 2019 | 28 | AAA MLE | 2 teams | — | 479 | 422 | 95 | 18 | 0 | 22 | 37 | 155 | 17 | 2 | 1 | 225 | 312 | 424 | 736 | 199 | 297 | 32 | 8 | 326 | 107 | — | — | — | — | — | — |
| ▸ Career Totals | |||||||||||||||||||||||||||||||
| Career | — | MLE | — | 2555 | 2317 | 522 | 114 | 15 | 83 | 169 | 814 | 56 | 33 | 18 | 225 | 294 | 395 | 689 | 170 | 307 | 32 | 7 | 298 | 88 | -36 | -1 | +0 | -27 | +55 | -0.9 | |
| / 162G | — | MLE | — | 650 | 589 | 133 | 29 | 4 | 21 | 43 | 207 | 14 | 8 | 5 | 226 | 294 | 396 | 689 | 170 | 308 | 32 | 7 | 298 | 88 | -9 | -0 | +0 | -7 | +14 | -0.3 | |