Jack Costello
3B Fort Wayne TinCaps
Age 26
R/R
6'0" / 205 lbs
A+
HR +5%
Svc 0.0 · Ctrl thru 2036
Overview
A+PROSPECTMiLBFA 2037
ETA2030MLB%0%
| Year | Age | Lvl / Team | PA | AVG/OBP/SLG | HR | SB | wRC+ | WAR | MLE AVG/OBP/SLG |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 24 | A+SD | 439 | .220/.298/.342 | 10 | 10 | 38 | — | .174/.241/.266 |
| 2026 | 25 | AASD | 93 | .261/.293/.364 | 2 | 2 | 52 | — | .236/.261/.337 |
| 2026 | 25 | A+SD | 340 | .233/.344/.441 | 13 | 7 | 70 | — | .190/.279/.347 |
| 2027PROJ0% MLB | 26 | MLBSD | 1 | .211/.275/.339 | 0 | 0 | 75 | -0.0 | |
| 2028PROJ26% MLB | 27 | MLBSD | 70 | .211/.276/.339 | 2 | 1 | 75 | -0.0 | |
| 2029PROJ39% MLB | 28 | MLBSD | 126 | .211/.276/.338 | 3 | 2 | 75 | -0.1 |
Next 3 projected WAR -0.1Projected rows: MLB playing time only, park and league context applied.
ContractESTIMATED
Control thru2036Service0.0First FA2037
2027MiLB2028MiLB2029MiLB2030MiLB2031Pre-Arb$0.9M2032Ext$0.9M2033Ext$0.9M2034Ext$3M+2
Skills · percentileMiLB Statcast 2026 AA
Z-Con%94
K%93
Whiff%90
wRC+29
wOBA26
ISO22
Career WAR0 WAR median (P10 0 / P90 0, comp-based) · star 0% · didn't stick 99%
CompsXavier Fernández (age 26) · Quincy McAfee (age 26) · T.J. White (age 26)
2027 FULL-SEASON PROJECTIONstats below = full-season projection
showingPROJ
wRC+†75
AVG/OBP/SLG.211 / .275 / .339
PA1
HR0
K%22
BB%6
BABIP247
ISO132
MLB%0%
Value2027 · WAR
━ projected WAR━ paid WAR ($/8M) surplus deficit-$1M ctrl surplus
Tools · ContractCON 40 / POW 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. 2027 = actual YTD + projected ROS + total. 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) | |||||||||||||||||||||||||||||||
| 2024 | 23 | A | Lake Elsinore Storm | — | 121 | 102 | 29 | 5 | 1 | 6 | 14 | 8 | 4 | 2 | 1 | 284 | 392 | 529 | 921 | 245 | 258 | 7 | 12 | 402 | 111 | — | — | — | — | — | — |
| 2025 | 24 | A+ | Fort Wayne TinCaps | — | 439 | 395 | 87 | 18 | 0 | 10 | 26 | 76 | 18 | 10 | 1 | 220 | 298 | 342 | 640 | 122 | 249 | 17 | 6 | 293 | 38 | — | — | — | — | — | — |
| 2026 | 25 | AA | San Antonio Missions | — | 93 | 88 | 23 | 3 | 0 | 2 | 3 | 14 | 1 | 2 | 0 | 261 | 293 | 364 | 657 | 102 | 292 | 15 | 3 | 292 | 52 | — | — | — | — | — | — |
| 2026 | 25 | A+ | Fort Wayne TinCaps | — | 340 | 288 | 67 | 17 | 2 | 13 | 38 | 60 | 11 | 7 | 4 | 233 | 344 | 441 | 785 | 208 | 249 | 18 | 11 | 348 | 70 | — | — | — | — | — | — |
| ▸ Career — adjusted (every ACTUAL line translated to park/league-neutral MLB equivalents) | |||||||||||||||||||||||||||||||
| 2024 | 23 | A MLE | Lake Elsinore Storm | — | 121 | 106 | 26 | 4 | 1 | 5 | 10 | 11 | 4 | 2 | 1 | 245 | 333 | 443 | 777 | 198 | 225 | 9 | 8 | 332 | 111 | — | — | — | — | — | — |
| 2025 | 24 | A+ MLE | Fort Wayne TinCaps | — | 439 | 403 | 70 | 13 | 0 | 8 | 18 | 97 | 18 | 10 | 1 | 174 | 241 | 266 | 507 | 92 | 206 | 22 | 4 | 224 | 38 | — | — | — | — | — | — |
| 2026 | 25 | AA MLE | San Antonio Missions | — | 93 | 89 | 21 | 3 | 0 | 2 | 2 | 17 | 1 | 2 | 0 | 236 | 261 | 337 | 598 | 101 | 266 | 18 | 2 | 245 | 52 | — | — | — | — | — | — |
| 2026 | 25 | A+ MLE | Fort Wayne TinCaps | — | 340 | 300 | 57 | 13 | 2 | 10 | 26 | 76 | 11 | 7 | 4 | 190 | 279 | 347 | 626 | 157 | 211 | 22 | 8 | 271 | 70 | — | — | — | — | — | — |
| 2024 | 23 | A MLE | Lake Elsinore Storm | — | 121 | 106 | 26 | 4 | 1 | 5 | 10 | 11 | 4 | 2 | 1 | 245 | 333 | 443 | 777 | 198 | 231 | 9 | 8 | 332 | 111 | — | — | — | — | — | — |
| 2024 | 23 | A RAW | Lake Elsinore Storm | — | 121 | 102 | 29 | 5 | 1 | 6 | 14 | 8 | 4 | 2 | 1 | 284 | 392 | 529 | 921 | 245 | 258 | 7 | 12 | 402 | 111 | — | — | — | — | — | — |
| 2025 | 24 | A+ MLE | Fort Wayne TinCaps | — | 439 | 403 | 70 | 13 | 0 | 8 | 18 | 97 | 18 | 10 | 1 | 174 | 241 | 266 | 507 | 92 | 208 | 22 | 4 | 224 | 38 | — | — | — | — | — | — |
| 2025 | 24 | A+ RAW | Fort Wayne TinCaps | — | 439 | 395 | 87 | 18 | 0 | 10 | 26 | 76 | 18 | 10 | 1 | 220 | 298 | 342 | 640 | 122 | 249 | 17 | 6 | 293 | 38 | — | — | — | — | — | — |
| 2026 | 25 | A+ MLE | 2 teams | — | 433 | 389 | 78 | 16 | 2 | 12 | 28 | 93 | 12 | 9 | 4 | 201 | 275 | 344 | 620 | 144 | 231 | 21 | 6 | 265 | 66 | — | — | — | — | — | — |
| 2026 | 25 | A+ RAW | 2 teams | — | 433 | 376 | 90 | 20 | 2 | 15 | 41 | 74 | 12 | 9 | 4 | 239 | 333 | 423 | 756 | 184 | 260 | 17 | 9 | 336 | 66 | — | — | — | — | — | — |
| 2024 | 23 | A MLE | Lake Elsinore Storm | — | 121 | 106 | 26 | 4 | 1 | 5 | 10 | 11 | 4 | 2 | 1 | 245 | 333 | 443 | 777 | 198 | 225 | 9 | 8 | 332 | 111 | — | — | — | — | — | — |
| 2025 | 24 | A+ MLE | Fort Wayne TinCaps | — | 439 | 400 | 70 | 13 | 0 | 8 | 18 | 97 | 18 | 10 | 1 | 175 | 241 | 268 | 509 | 93 | 206 | 22 | 4 | 224 | 38 | — | — | — | — | — | — |
| 2026 | 25 | A+ MLE | 2 teams | — | 433 | 390 | 78 | 16 | 2 | 12 | 28 | 93 | 12 | 9 | 4 | 200 | 275 | 344 | 619 | 144 | 223 | 21 | 6 | 265 | 66 | — | — | — | — | — | — |
| ▸ Model inputs — neutral MLE (past 3 seasons) | |||||||||||||||||||||||||||||||
| 2024 | 23 | A MLE | Lake Elsinore Storm | — | 121 | 106 | 26 | 4 | 1 | 5 | 10 | 11 | 4 | 2 | 1 | 245 | 333 | 443 | 777 | 198 | 225 | 9 | 8 | 332 | 111 | — | — | — | — | — | — |
| 2025 | 24 | A+ MLE | Fort Wayne TinCaps | — | 439 | 400 | 70 | 13 | 0 | 8 | 18 | 97 | 18 | 10 | 1 | 175 | 241 | 268 | 509 | 93 | 206 | 22 | 4 | 224 | 38 | — | — | — | — | — | — |
| 2026 | 25 | A+ MLE | 2 teams | — | 433 | 390 | 78 | 16 | 2 | 12 | 28 | 93 | 12 | 9 | 4 | 200 | 275 | 344 | 619 | 144 | 223 | 21 | 6 | 265 | 66 | — | — | — | — | — | — |
| ▸ 2027 season | |||||||||||||||||||||||||||||||
| ▸ 2027 — full MLE projection (neutral park, full availability) | |||||||||||||||||||||||||||||||
| 2027 | 26 | MLB MLE | SD | 0% | 380 | 347 | 74 | 15 | 1 | 9 | 21 | 82 | 9 | 6 | 2 | 214 | 278 | 343 | 621 | 129 | 252 | 22 | 6 | 279 | 75 | -11 | +0 | +0 | +1 | +8 | 0.1 |
| ▸ 2027 — real world (MLB) | |||||||||||||||||||||||||||||||
| 2027 | 26 | MLB CTX | SD | 0% | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 211 | 275 | 339 | 614 | 128 | 247 | 0 | 0 | 276 | 75 | -0 | +0 | +0 | +0 | +0 | -0.0 |
| ▸ Career projection (2028+) — MLB context, MLB playing time (PA × MLB%) | |||||||||||||||||||||||||||||||
| 2028 | 27 | MLB MLE | SD | 26% | 269 | 246 | 52 | 10 | 1 | 6 | 15 | 59 | 6 | 4 | 1 | 215 | 279 | 343 | 622 | 129 | 253 | 22 | 6 | 280 | 75 | -8 | +0 | +0 | +1 | +6 | -0.1 |
| 2029 | 28 | MLB MLE | SD | 39% | 319 | 290 | 62 | 12 | 1 | 8 | 19 | 70 | 7 | 4 | 1 | 214 | 279 | 342 | 621 | 128 | 254 | 22 | 6 | 279 | 75 | -9 | +0 | -1 | +1 | +7 | -0.2 |
| 2030 | 29 | MLB MLE | SD | 44% | 344 | 312 | 67 | 13 | 1 | 8 | 21 | 77 | 8 | 4 | 1 | 213 | 278 | 339 | 617 | 125 | 254 | 22 | 6 | 278 | 74 | -11 | +0 | -1 | +1 | +7 | -0.3 |
| 2031 | 30 | MLB MLE | SD | 47% | 359 | 326 | 69 | 14 | 1 | 8 | 22 | 81 | 8 | 3 | 2 | 212 | 276 | 334 | 611 | 122 | 254 | 23 | 6 | 275 | 72 | -12 | -0 | -2 | +1 | +8 | -0.5 |
| 2028 | 27 | MLB CTX | SD | 26% | 70 | 64 | 14 | 3 | 0 | 2 | 4 | 15 | 2 | 1 | 0 | 211 | 276 | 339 | 615 | 128 | 248 | 21 | 6 | 277 | 75 | -2 | +0 | +0 | +0 | +2 | -0.0 |
| 2029 | 28 | MLB CTX | SD | 39% | 126 | 115 | 24 | 5 | 0 | 3 | 7 | 28 | 3 | 2 | 1 | 211 | 276 | 338 | 614 | 127 | 249 | 22 | 6 | 276 | 75 | -4 | +0 | -0 | +0 | +3 | -0.1 |
| 2030 | 29 | MLB CTX | SD | 44% | 153 | 140 | 29 | 5 | 0 | 4 | 9 | 34 | 3 | 2 | 1 | 210 | 275 | 335 | 610 | 124 | 249 | 22 | 6 | 275 | 74 | -5 | +0 | -1 | +1 | +3 | -0.2 |
| 2031 | 30 | MLB CTX | SD | 47% | 170 | 154 | 32 | 6 | 0 | 4 | 10 | 38 | 4 | 2 | 1 | 209 | 273 | 330 | 603 | 121 | 249 | 22 | 6 | 272 | 72 | -6 | +0 | -1 | +1 | +4 | -0.2 |
| ▸ Career Totals | |||||||||||||||||||||||||||||||
| ▸ Career totals — MLB only (actual + projected) | |||||||||||||||||||||||||||||||
| Career | — | A+C | — | 519 | 473 | 99 | 19 | 0 | 13 | 30 | 115 | 12 | 7 | 3 | 209 | 274 | 332 | 606 | 123 | 247 | 22 | 6 | 274 | 68 | -16 | +0 | -2 | +2 | +11 | -0.5 | |
| / 162G | — | A+C | — | 650 | 592 | 124 | 24 | 0 | 16 | 38 | 144 | 15 | 9 | 4 | 209 | 274 | 331 | 605 | 122 | 248 | 22 | 6 | 274 | 68 | -20 | +0 | -2 | +2 | +14 | -0.6 | |
| Career | — | MLE | — | 2534 | 2300 | 473 | 92 | 8 | 61 | 147 | 542 | 69 | 40 | 12 | 206 | 274 | 332 | 606 | 127 | 241 | 21 | 6 | 269 | 68 | -47 | +1 | -4 | +6 | +33 | -1.1 | |
| / 162G | — | MLE | — | 650 | 590 | 122 | 24 | 2 | 16 | 38 | 139 | 18 | 10 | 3 | 207 | 276 | 336 | 612 | 129 | 242 | 21 | 6 | 269 | 68 | -20 | +1 | -2 | +2 | +14 | -0.5 | |