John Brontsema
Pos3B
B/TR/R
Born1994-12-13
Age (2026)31
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) | |||||||||||||||||||||||||||||||
| 2016 | 21 | ROK | AZL Royals | — | 195 | 175 | 60 | 9 | 1 | 0 | 13 | 30 | 4 | 9 | 4 | 343 | 401 | 406 | 807 | 63 | 405 | 15 | 7 | 361 | 131 | +7 | +0 | — | — | +4 | 1.2 |
| 2017 | 22 | A+ | Wilmington Blue Rocks | — | 68 | 62 | 14 | 2 | 0 | 1 | 5 | 19 | 0 | 0 | 1 | 226 | 284 | 306 | 590 | 81 | 310 | 28 | 7 | 266 | 66 | -3 | -0 | — | — | +1 | -0.2 |
| 2017 | 22 | A | Lexington Legends | — | 190 | 161 | 52 | 12 | 1 | 4 | 17 | 41 | 10 | 6 | 2 | 323 | 420 | 484 | 905 | 161 | 407 | 22 | 9 | 401 | 158 | +13 | +0 | — | — | +4 | 1.8 |
| 2018 | 23 | AA | Northwest Arkansas Naturals | — | 123 | 109 | 25 | 5 | 1 | 2 | 8 | 31 | 5 | 5 | 1 | 229 | 311 | 349 | 660 | 119 | 299 | 25 | 7 | 299 | 89 | -2 | +1 | — | — | +3 | 0.2 |
| 2018 | 23 | A+ | Wilmington Blue Rocks | — | 16 | 12 | 3 | 0 | 0 | 0 | 4 | 4 | 0 | 0 | 1 | 250 | 438 | 250 | 688 | 375 | 25 | 25 | 344 | 119 | +0 | -0 | — | — | +0 | 0.0 | |
| ▸ Career — adjusted (every ACTUAL line translated to park/league-neutral MLB equivalents) | |||||||||||||||||||||||||||||||
| 2016 | 21 | ROK MLE | AZL Royals | — | 195 | 180 | 47 | 6 | 1 | 0 | 8 | 43 | 4 | 9 | 4 | 261 | 307 | 306 | 613 | 44 | 324 | 22 | 4 | 268 | 68 | -8 | +0 | — | — | +4 | -0.3 |
| 2017 | 22 | A+ MLE | Wilmington Blue Rocks | — | 68 | 64 | 12 | 2 | 0 | 1 | 3 | 27 | 0 | 0 | 1 | 188 | 224 | 266 | 490 | 78 | 295 | 40 | 4 | 211 | 29 | -6 | -0 | — | — | +1 | -0.5 |
| 2017 | 22 | A MLE | Lexington Legends | — | 190 | 167 | 47 | 10 | 1 | 3 | 11 | 55 | 10 | 6 | 2 | 281 | 362 | 407 | 769 | 126 | 375 | 29 | 6 | 324 | 105 | +1 | +0 | — | — | +4 | 0.6 |
| 2018 | 23 | AA MLE | Northwest Arkansas Naturals | — | 123 | 112 | 21 | 4 | 1 | 1 | 5 | 39 | 5 | 5 | 1 | 188 | 254 | 268 | 522 | 80 | 263 | 32 | 4 | 237 | 47 | -8 | +1 | — | — | +3 | -0.5 |
| 2018 | 23 | A+ MLE | Wilmington Blue Rocks | — | 16 | 14 | 3 | 0 | 0 | 0 | 2 | 6 | 0 | 0 | 1 | 214 | 312 | 214 | 527 | 345 | 38 | 12 | 254 | 58 | -1 | -0 | — | — | +0 | -0.1 | |
| 2016 | 21 | ROK MLE | AZL Royals | — | 195 | 180 | 47 | 6 | 1 | 0 | 8 | 43 | 4 | 9 | 4 | 261 | 307 | 306 | 613 | 44 | 336 | 22 | 4 | 268 | 68 | — | — | — | — | — | — |
| 2016 | 21 | ROK RAW | AZL Royals | — | 195 | 175 | 60 | 9 | 1 | 0 | 13 | 30 | 4 | 9 | 4 | 343 | 401 | 406 | 807 | 63 | 405 | 15 | 7 | 361 | 68 | — | — | — | — | — | — |
| 2017 | 22 | A MLE | 2 teams | — | 258 | 231 | 58 | 11 | 1 | 4 | 14 | 82 | 10 | 6 | 3 | 251 | 322 | 359 | 681 | 108 | 367 | 32 | 5 | 294 | 85 | — | — | — | — | — | — |
| 2017 | 22 | A RAW | 2 teams | — | 258 | 223 | 66 | 14 | 1 | 5 | 22 | 60 | 10 | 6 | 3 | 296 | 384 | 435 | 819 | 139 | 381 | 23 | 9 | 366 | 85 | — | — | — | — | — | — |
| 2018 | 23 | AA MLE | 2 teams | — | 139 | 125 | 24 | 4 | 1 | 1 | 8 | 44 | 5 | 5 | 2 | 192 | 268 | 264 | 532 | 72 | 284 | 32 | 6 | 239 | 48 | — | — | — | — | — | — |
| 2018 | 23 | AA RAW | 2 teams | — | 139 | 121 | 28 | 5 | 1 | 2 | 12 | 35 | 5 | 5 | 2 | 231 | 326 | 339 | 665 | 107 | 306 | 25 | 9 | 305 | 48 | — | — | — | — | — | — |
| 2016 | 21 | ROK MLE | AZL Royals | — | 195 | 181 | 47 | 6 | 1 | 0 | 8 | 43 | 4 | 9 | 4 | 260 | 307 | 304 | 611 | 44 | 324 | 22 | 4 | 268 | 68 | — | — | — | — | — | — |
| 2017 | 22 | A MLE | 2 teams | — | 258 | 232 | 58 | 11 | 1 | 4 | 14 | 82 | 10 | 6 | 3 | 250 | 322 | 358 | 679 | 108 | 354 | 32 | 5 | 294 | 85 | — | — | — | — | — | — |
| 2018 | 23 | AA MLE | 2 teams | — | 139 | 125 | 24 | 4 | 1 | 1 | 8 | 44 | 5 | 5 | 2 | 192 | 268 | 264 | 532 | 72 | 272 | 32 | 6 | 239 | 48 | — | — | — | — | — | — |
| ▸ Career Totals | |||||||||||||||||||||||||||||||
| Career | — | MLE | — | 592 | 536 | 129 | 21 | 3 | 5 | 30 | 169 | 19 | 20 | 9 | 241 | 304 | 319 | 623 | 78 | 337 | 29 | 5 | 273 | 71 | -21 | +0 | +0 | +2 | +13 | -0.5 | |
| / 162G | — | MLE | — | 650 | 589 | 141 | 23 | 3 | 5 | 33 | 186 | 21 | 22 | 10 | 239 | 304 | 314 | 618 | 75 | 336 | 29 | 5 | 273 | 71 | -23 | +0 | +0 | +2 | +14 | -0.6 | |