Trenton Kemp
| Year | Age | Lvl / Team | PA | AVG/OBP/SLG | HR | SB | wRC+ | WAR | MLE AVG/OBP/SLG |
|---|---|---|---|---|---|---|---|---|---|
| 2017 | 21 | A+Salem Red Sox | 130 | .316/.375/.504 | 2 | 4 | 81 | — | .248/.289/.397 |
| 2018 | 22 | A+Salem Red Sox | 205 | .202/.288/.421 | 9 | 2 | 26 | — | .132/.195/.279 |
| 2019 | 23 | ROKGCL Red Sox | 17 | .100/.400/.200 | 0 | 1 | 34 | — | .083/.267/.167 |
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) | |||||||||||||||||||||||||||||||
| 2014 | 18 | ROK | GCL Red Sox | — | 135 | 120 | 27 | 8 | 0 | 3 | 12 | 36 | 3 | 3 | 2 | 225 | 311 | 367 | 678 | 142 | 296 | 27 | 9 | 308 | 25 | — | — | — | — | — | — |
| 2015 | 19 | ROK | GCL Red Sox | — | 154 | 124 | 29 | 6 | 4 | 0 | 24 | 33 | 4 | 8 | 3 | 234 | 375 | 347 | 722 | 113 | 315 | 21 | 16 | 331 | 39 | — | — | — | — | — | — |
| 2016 | 20 | A | Greenville Drive | — | 349 | 311 | 76 | 18 | 3 | 13 | 32 | 123 | 5 | 7 | 3 | 244 | 325 | 447 | 772 | 203 | 360 | 35 | 9 | 341 | 55 | — | — | — | — | — | — |
| 2017 | 21 | A+ | Salem Red Sox | — | 130 | 117 | 37 | 10 | 3 | 2 | 11 | 34 | 0 | 4 | 1 | 316 | 375 | 504 | 879 | 188 | 422 | 26 | 8 | 380 | 81 | — | — | — | — | — | — |
| 2018 | 22 | A+ | Salem Red Sox | — | 205 | 183 | 37 | 9 | 2 | 9 | 21 | 68 | 1 | 2 | 2 | 202 | 288 | 421 | 709 | 219 | 264 | 33 | 10 | 314 | 26 | — | — | — | — | — | — |
| 2019 | 23 | ROK | GCL Red Sox | — | 17 | 10 | 1 | 1 | 0 | 0 | 4 | 6 | 1 | 1 | 0 | 100 | 400 | 200 | 600 | 100 | 167 | 35 | 24 | 283 | 34 | — | — | — | — | — | — |
| ▸ Career — adjusted (every ACTUAL line translated to park/league-neutral MLB equivalents) | |||||||||||||||||||||||||||||||
| 2014 | 18 | ROK MLE | GCL Red Sox | — | 135 | 125 | 19 | 5 | 0 | 2 | 7 | 52 | 3 | 3 | 2 | 152 | 215 | 240 | 455 | 88 | 239 | 39 | 5 | 205 | 25 | — | — | — | — | — | — |
| 2015 | 19 | ROK MLE | GCL Red Sox | — | 154 | 133 | 22 | 4 | 3 | 0 | 15 | 48 | 4 | 8 | 3 | 165 | 270 | 241 | 510 | 75 | 239 | 31 | 10 | 226 | 39 | — | — | — | — | — | — |
| 2016 | 20 | A MLE | Greenville Drive | — | 349 | 322 | 59 | 14 | 2 | 9 | 21 | 159 | 5 | 7 | 3 | 183 | 244 | 323 | 567 | 140 | 324 | 46 | 6 | 249 | 55 | — | — | — | — | — | — |
| 2017 | 21 | A+ MLE | Salem Red Sox | — | 130 | 121 | 30 | 8 | 2 | 2 | 7 | 50 | 0 | 4 | 1 | 248 | 289 | 397 | 686 | 149 | 381 | 38 | 5 | 288 | 81 | — | — | — | — | — | — |
| 2018 | 22 | A+ MLE | Salem Red Sox | — | 205 | 190 | 25 | 5 | 1 | 7 | 14 | 101 | 1 | 2 | 2 | 132 | 195 | 279 | 474 | 147 | 220 | 49 | 7 | 207 | 26 | — | — | — | — | — | — |
| 2019 | 23 | ROK MLE | GCL Red Sox | — | 17 | 12 | 1 | 1 | 0 | 0 | 2 | 9 | 1 | 1 | 0 | 83 | 267 | 167 | 433 | 83 | 125 | 53 | 12 | 218 | 34 | — | — | — | — | — | — |
| 2014 | 18 | ROK MLE | GCL Red Sox | — | 135 | 125 | 19 | 5 | 0 | 2 | 7 | 52 | 3 | 3 | 2 | 152 | 215 | 240 | 455 | 88 | 239 | 39 | 5 | 205 | 25 | — | — | — | — | — | — |
| 2014 | 18 | ROK RAW | GCL Red Sox | — | 135 | 120 | 27 | 8 | 0 | 3 | 12 | 36 | 3 | 3 | 2 | 225 | 311 | 367 | 678 | 142 | 296 | 27 | 9 | 308 | 25 | — | — | — | — | — | — |
| 2015 | 19 | ROK MLE | GCL Red Sox | — | 154 | 133 | 22 | 4 | 3 | 0 | 15 | 48 | 4 | 8 | 3 | 165 | 270 | 241 | 510 | 75 | 256 | 31 | 10 | 226 | 39 | — | — | — | — | — | — |
| 2015 | 19 | ROK RAW | GCL Red Sox | — | 154 | 124 | 29 | 6 | 4 | 0 | 24 | 33 | 4 | 8 | 3 | 234 | 375 | 347 | 722 | 113 | 315 | 21 | 16 | 331 | 39 | — | — | — | — | — | — |
| 2016 | 20 | A MLE | Greenville Drive | — | 349 | 322 | 59 | 14 | 2 | 9 | 21 | 159 | 5 | 7 | 3 | 183 | 244 | 323 | 567 | 140 | 325 | 46 | 6 | 249 | 55 | — | — | — | — | — | — |
| 2016 | 20 | A RAW | Greenville Drive | — | 349 | 311 | 76 | 18 | 3 | 13 | 32 | 123 | 5 | 7 | 3 | 244 | 325 | 447 | 772 | 203 | 360 | 35 | 9 | 341 | 55 | — | — | — | — | — | — |
| 2017 | 21 | A+ MLE | Salem Red Sox | — | 130 | 121 | 30 | 8 | 2 | 2 | 7 | 50 | 0 | 4 | 1 | 248 | 289 | 397 | 686 | 149 | 394 | 38 | 5 | 288 | 81 | — | — | — | — | — | — |
| 2017 | 21 | A+ RAW | Salem Red Sox | — | 130 | 117 | 37 | 10 | 3 | 2 | 11 | 34 | 0 | 4 | 1 | 316 | 375 | 504 | 879 | 188 | 422 | 26 | 8 | 380 | 81 | — | — | — | — | — | — |
| 2018 | 22 | A+ MLE | Salem Red Sox | — | 205 | 190 | 25 | 5 | 1 | 7 | 14 | 101 | 1 | 2 | 2 | 132 | 195 | 279 | 474 | 147 | 220 | 49 | 7 | 207 | 26 | — | — | — | — | — | — |
| 2018 | 22 | A+ RAW | Salem Red Sox | — | 205 | 183 | 37 | 9 | 2 | 9 | 21 | 68 | 1 | 2 | 2 | 202 | 288 | 421 | 709 | 219 | 264 | 33 | 10 | 314 | 26 | — | — | — | — | — | — |
| 2019 | 23 | ROK MLE | GCL Red Sox | — | 17 | 12 | 1 | 1 | 0 | 0 | 2 | 9 | 1 | 1 | 0 | 83 | 267 | 167 | 433 | 83 | 200 | 53 | 12 | 218 | 34 | — | — | — | — | — | — |
| 2019 | 23 | ROK RAW | GCL Red Sox | — | 17 | 10 | 1 | 1 | 0 | 0 | 4 | 6 | 1 | 1 | 0 | 100 | 400 | 200 | 600 | 100 | 167 | 35 | 24 | 283 | 34 | — | — | — | — | — | — |
| 2014 | 18 | ROK MLE | GCL Red Sox | — | 135 | 124 | 19 | 5 | 0 | 2 | 7 | 52 | 3 | 3 | 2 | 153 | 215 | 242 | 457 | 89 | 239 | 39 | 5 | 205 | 25 | — | — | — | — | — | — |
| 2015 | 19 | ROK MLE | GCL Red Sox | — | 154 | 134 | 22 | 4 | 3 | 0 | 15 | 48 | 4 | 8 | 3 | 164 | 270 | 239 | 509 | 75 | 239 | 31 | 10 | 226 | 39 | — | — | — | — | — | — |
| 2016 | 20 | A MLE | Greenville Drive | — | 349 | 320 | 59 | 14 | 2 | 9 | 21 | 159 | 5 | 7 | 3 | 184 | 244 | 325 | 569 | 141 | 324 | 46 | 6 | 249 | 55 | — | — | — | — | — | — |
| 2017 | 21 | A+ MLE | Salem Red Sox | — | 130 | 122 | 30 | 8 | 2 | 2 | 7 | 50 | 0 | 4 | 1 | 246 | 289 | 393 | 683 | 148 | 381 | 38 | 5 | 288 | 81 | — | — | — | — | — | — |
| 2018 | 22 | A+ MLE | Salem Red Sox | — | 205 | 188 | 25 | 5 | 1 | 7 | 14 | 101 | 1 | 2 | 2 | 133 | 195 | 282 | 477 | 149 | 220 | 49 | 7 | 207 | 26 | — | — | — | — | — | — |
| 2019 | 23 | ROK MLE | GCL Red Sox | — | 17 | 14 | 1 | 1 | 0 | 0 | 2 | 9 | 1 | 1 | 0 | 71 | 267 | 143 | 410 | 71 | 125 | 53 | 12 | 218 | 34 | — | — | — | — | — | — |
| ▸ Career Totals | |||||||||||||||||||||||||||||||
| Career | — | MLE | — | 990 | 903 | 156 | 37 | 8 | 20 | 66 | 419 | 14 | 25 | 11 | 173 | 240 | 298 | 538 | 125 | 290 | 42 | 7 | 235 | 45 | -64 | +1 | +0 | -11 | +21 | -5.4 | |
| / 162G | — | MLE | — | 650 | 593 | 102 | 24 | 5 | 13 | 43 | 275 | 9 | 16 | 7 | 172 | 238 | 295 | 533 | 123 | 289 | 42 | 7 | 235 | 45 | -42 | +0 | +0 | -7 | +14 | -3.5 | |
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.
2019 ROKGCL Red Sox · 17 PAwOBA .315 → .218 (−97)K% 35.3% → 50.8%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 35.29% | ÷1.000 | ×1.440 | — | — | 50.82% |
| BB% (unintentional) /PA | 23.53% | ÷1.000 | ×0.620 | — | ×0.955 | 13.93% |
| HBP% /PA | 5.88% | — | ×0.720 | — | ×0.955 | 4.04% |
| Singles /BIP | 0.00% | ÷1.000 | ×0.820 | — | ×0.955 | 0.00% |
| Doubles /BIP | 25.00% | ÷1.000 | ×0.720 | — | ×0.955 | 17.19% |
| Triples /BIP | 0.00% | ÷1.000 | ×0.720 | — | ×0.955 | 0.00% |
| Home runs /BIP | 0.00% | ÷1.000 | ×0.780 | — | ×0.955 | 0.00% |
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 24 vs a level average of 19.5 → −4.5% on BB/HBP/hit rates (4.5 yr older than average).
Result: wOBA .315 → .218; ISO .100 → .091; BABIP .167 → .125. 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).
2018 A+Salem Red Sox · 205 PAwOBA .305 → .207 (−98)K% 33.2% → 49.1%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 33.17% | ÷0.960 | ×1.420 | — | — | 49.09% |
| BB% (unintentional) /PA | 10.24% | ÷0.939 | ×0.630 | — | ×0.998 | 6.86% |
| HBP% /PA | 0.49% | — | ×0.860 | — | ×0.998 | 0.42% |
| Singles /BIP | 14.78% | ÷1.066 | ×0.940 | ×1.004 | ×0.998 | 13.07% |
| Doubles /BIP | 7.83% | ÷1.102 | ×0.830 | ×1.004 | ×0.998 | 5.91% |
| Triples /BIP | 1.74% | ÷1.037 | ×0.800 | ×1.004 | ×0.998 | 1.34% |
| Home runs /BIP | 7.83% | ÷0.936 | ×0.900 | — | ×0.998 | 7.51% |
Factors used: league row CAR. Park (home-season share, regressed): HR 87, 1B 113, 2B 120, 3B 107, K 92, BB 88 — applied at half strength. Age: age 23 vs a level average of 22.8 → −0.2% on BB/HBP/hit rates (0.2 yr older than average). Ground-ball/fly-ball mix moves 1B/2B/3B by ×1.004.
Result: wOBA .305 → .207; ISO .219 → .152; BABIP .264 → .220. 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).
2017 A+Salem Red Sox · 130 PAwOBA .376 → .288 (−88)K% 26.2% → 38.8%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 26.15% | ÷0.958 | ×1.420 | — | — | 38.76% |
| BB% (unintentional) /PA | 8.46% | ÷1.043 | ×0.630 | — | ×1.012 | 5.17% |
| HBP% /PA | 0.00% | — | ×0.860 | — | ×1.012 | 0.00% |
| Singles /BIP | 26.51% | ÷1.042 | ×0.940 | ×1.017 | ×1.012 | 24.62% |
| Doubles /BIP | 12.05% | ÷0.977 | ×0.830 | ×1.017 | ×1.012 | 10.54% |
| Triples /BIP | 3.61% | ÷0.956 | ×0.800 | ×1.017 | ×1.012 | 3.11% |
| Home runs /BIP | 2.41% | ÷0.956 | ×0.900 | — | ×1.012 | 2.30% |
Factors used: league row CAR. Park (home-season share, regressed): HR 91, 1B 108, 2B 95, 3B 91, K 92, BB 109 — applied at half strength. Age: age 22 vs a level average of 22.8 → +1.2% on BB/HBP/hit rates (0.8 yr younger than average). Ground-ball/fly-ball mix moves 1B/2B/3B by ×1.017.
Result: wOBA .376 → .288; ISO .188 → .147; BABIP .422 → .381. 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).
2016 AGreenville Drive · 349 PAwOBA .332 → .249 (−83)K% 35.2% → 45.7%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 35.24% | ÷1.034 | ×1.340 | — | — | 45.70% |
| BB% (unintentional) /PA | 9.17% | ÷1.044 | ×0.660 | — | ×1.015 | 5.88% |
| HBP% /PA | 1.43% | — | ×0.770 | — | ×1.015 | 1.12% |
| Singles /BIP | 22.34% | ÷0.978 | ×0.920 | ×0.971 | ×1.015 | 20.72% |
| Doubles /BIP | 9.57% | ÷0.908 | ×0.820 | ×0.971 | ×1.015 | 8.52% |
| Triples /BIP | 1.60% | ÷1.150 | ×0.940 | ×0.971 | ×1.015 | 1.29% |
| Home runs /BIP | 6.91% | ÷1.001 | ×0.820 | — | ×1.015 | 5.75% |
Factors used: league row SAL. Park (home-season share, regressed): HR 100, 1B 96, 2B 82, 3B 130, K 107, BB 109 — applied at half strength. Age: age 21 vs a level average of 22.0 → +1.5% on BB/HBP/hit rates (1.0 yr younger than average). Ground-ball/fly-ball mix moves 1B/2B/3B by ×0.971.
Result: wOBA .332 → .249; ISO .203 → .150; BABIP .360 → .324. 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).
2015 ROKGCL Red Sox · 154 PAwOBA .326 → .226 (−101)K% 21.4% → 30.9%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 21.43% | ÷1.000 | ×1.440 | — | — | 30.86% |
| BB% (unintentional) /PA | 15.58% | ÷1.000 | ×0.620 | — | ×0.995 | 9.61% |
| HBP% /PA | 2.60% | — | ×0.720 | — | ×0.995 | 1.86% |
| Singles /BIP | 20.88% | ÷1.000 | ×0.820 | ×0.970 | ×0.995 | 16.52% |
| Doubles /BIP | 6.59% | ÷1.000 | ×0.720 | ×0.970 | ×0.995 | 4.58% |
| Triples /BIP | 4.40% | ÷1.000 | ×0.720 | ×0.970 | ×0.995 | 3.05% |
| Home runs /BIP | 0.00% | ÷1.000 | ×0.780 | — | ×0.995 | 0.00% |
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 20 vs a level average of 19.5 → −0.5% on BB/HBP/hit rates (0.5 yr older than average). Ground-ball/fly-ball mix moves 1B/2B/3B by ×0.970.
Result: wOBA .326 → .226; ISO .113 → .077; BABIP .315 → .239. 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).
2014 ROKGCL Red Sox · 135 PAwOBA .297 → .205 (−92)K% 26.7% → 38.4%
| Component | Raw | Park ÷ | Level factor × | GB/FB × | Age × | = MLE |
|---|---|---|---|---|---|---|
| K% /PA | 26.67% | ÷1.000 | ×1.440 | — | — | 38.40% |
| BB% (unintentional) /PA | 8.15% | ÷1.000 | ×0.620 | — | ×1.008 | 5.09% |
| HBP% /PA | 2.22% | — | ×0.720 | — | ×1.008 | 1.61% |
| Singles /BIP | 19.05% | ÷1.000 | ×0.820 | ×1.025 | ×1.008 | 16.13% |
| Doubles /BIP | 9.52% | ÷1.000 | ×0.720 | ×1.025 | ×1.008 | 7.08% |
| Triples /BIP | 0.00% | ÷1.000 | ×0.720 | ×1.025 | ×1.008 | 0.00% |
| Home runs /BIP | 3.57% | ÷1.000 | ×0.780 | — | ×1.008 | 2.81% |
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 19 vs a level average of 19.5 → +0.8% on BB/HBP/hit rates (0.5 yr younger than average). Ground-ball/fly-ball mix moves 1B/2B/3B by ×1.025.
Result: wOBA .297 → .205; ISO .142 → .096; BABIP .296 → .239. 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).