Spencer Nivens
OF Northwest Arkansas Naturals
Age 25
L/R
5'11" / 185 lbs
AA
HR -15%K -8%
Svc 0.0 · Ctrl thru 2035
Overview
AAPROSPECTMiLBFA 2036
ETA2029MLB%2%
| Year | Age | Lvl / Team | PA | AVG/OBP/SLG | HR | SB | wRC+ | WAR | MLE AVG/OBP/SLG |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 23 | AANorthwest Ark… | 515 | .250/.354/.346 | 6 | 14 | 61 | — | .211/.283/.289 |
| 2026 | 24 | AANorthwest Ark… | 450 | .280/.371/.446 | 9 | 17 | 89 | — | .243/.310/.377 |
| 2027PROJ2% MLB | 25 | MLBKC | 6 | .222/.292/.337 | 0 | 0 | 80 | -0.0 | |
| 2028PROJ31% MLB | 26 | MLBKC | 113 | .223/.294/.341 | 2 | 2 | 82 | -0.1 | |
| 2029PROJ42% MLB | 27 | MLBKC | 163 | .223/.294/.342 | 3 | 3 | 82 | -0.1 |
Next 3 projected WAR -0.1Projected rows: MLB playing time only, park and league context applied.
ContractESTIMATED
Control thru2035Service0.0First FA2036
2027MiLB2028MiLB2029MiLB2030Pre-Arb$0.8M2031Pre-Arb$0.9M2032Ext$0.9M2033Ext$3M2034Ext$5M+1
Skills · percentileMiLB Statcast 2026 AA
K%88
Whiff%88
Chase%87
Z-Con%85
wOBA72
Speed70
Career WAR0 WAR median (P10 -0 / P90 0, comp-based) · star 1% · didn't stick 94%
CompsLuis González (age 25) · Danry Vasquez (age 25) · Nathan Panther (age 25)
2027 FULL-SEASON PROJECTIONstats below = full-season projection
showingPROJ
wRC+†80
AVG/OBP/SLG.222 / .292 / .337
PA6
HR0
K%17
BB%17
BABIP281
ISO115
MLB%2%
Value2027 · WAR
━ projected WAR━ paid WAR ($/8M) surplus deficit-$2M ctrl surplus
Tools · ContractCON 45 / 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) | |||||||||||||||||||||||||||||||
| 2023 | 21 | A | Columbia Fireflies | — | 122 | 98 | 18 | 3 | 0 | 2 | 23 | 20 | 0 | 7 | 3 | 184 | 339 | 276 | 614 | 92 | 208 | 16 | 19 | 294 | 38 | — | — | — | — | — | — |
| 2023 | 21 | ROK | ACL Royals | — | 17 | 16 | 5 | 4 | 0 | 0 | 1 | 2 | 0 | 1 | 1 | 312 | 353 | 562 | 915 | 250 | 357 | 12 | 6 | 396 | 63 | — | — | — | — | — | — |
| 2024 | 22 | A+ | Quad Cities River Bandits | — | 412 | 358 | 87 | 17 | 3 | 20 | 48 | 111 | 2 | 7 | 4 | 243 | 336 | 475 | 811 | 232 | 290 | 27 | 12 | 354 | 68 | — | — | — | — | — | — |
| 2025 | 23 | AA | Northwest Arkansas Naturals | — | 515 | 436 | 109 | 20 | 2 | 6 | 70 | 109 | 0 | 14 | 3 | 250 | 354 | 346 | 700 | 96 | 312 | 21 | 14 | 318 | 61 | — | — | — | — | — | — |
| 2026 | 24 | AA | Northwest Arkansas Naturals | — | 450 | 386 | 108 | 29 | 4 | 9 | 55 | 75 | 1 | 17 | 4 | 280 | 371 | 446 | 817 | 166 | 320 | 17 | 12 | 358 | 89 | — | — | — | — | — | — |
| ▸ Career — adjusted (every ACTUAL line translated to park/league-neutral MLB equivalents) | |||||||||||||||||||||||||||||||
| 2023 | 21 | A MLE | Columbia Fireflies | — | 122 | 105 | 15 | 2 | 0 | 1 | 16 | 29 | 0 | 7 | 3 | 143 | 256 | 190 | 447 | 48 | 181 | 24 | 13 | 225 | 38 | — | — | — | — | — | — |
| 2023 | 21 | ROK MLE | ACL Royals | — | 17 | 16 | 4 | 3 | 0 | 0 | 1 | 3 | 0 | 1 | 1 | 250 | 294 | 438 | 732 | 188 | 256 | 18 | 6 | 262 | 63 | — | — | — | — | — | — |
| 2024 | 22 | A+ MLE | Quad Cities River Bandits | — | 412 | 371 | 69 | 11 | 2 | 16 | 35 | 138 | 2 | 7 | 4 | 186 | 260 | 356 | 616 | 170 | 236 | 33 | 8 | 269 | 68 | — | — | — | — | — | — |
| 2025 | 23 | AA MLE | Northwest Arkansas Naturals | — | 515 | 460 | 97 | 17 | 2 | 5 | 46 | 130 | 0 | 14 | 3 | 211 | 283 | 289 | 572 | 78 | 271 | 25 | 9 | 259 | 61 | — | — | — | — | — | — |
| 2026 | 24 | AA MLE | Northwest Arkansas Naturals | — | 450 | 403 | 98 | 25 | 4 | 7 | 38 | 91 | 1 | 17 | 4 | 243 | 310 | 377 | 687 | 134 | 283 | 20 | 8 | 300 | 89 | — | — | — | — | — | — |
| 2023 | 21 | A MLE | 2 teams | — | 139 | 121 | 18 | 5 | 0 | 1 | 17 | 31 | 0 | 8 | 4 | 149 | 254 | 215 | 468 | 66 | 189 | 22 | 12 | 230 | 41 | — | — | — | — | — | — |
| 2023 | 21 | A RAW | 2 teams | — | 139 | 114 | 23 | 7 | 0 | 2 | 24 | 22 | 0 | 8 | 4 | 202 | 341 | 316 | 656 | 114 | 231 | 16 | 17 | 306 | 41 | — | — | — | — | — | — |
| 2024 | 22 | A+ MLE | Quad Cities River Bandits | — | 412 | 371 | 69 | 11 | 2 | 16 | 35 | 138 | 2 | 7 | 4 | 186 | 260 | 356 | 616 | 170 | 240 | 33 | 8 | 269 | 68 | — | — | — | — | — | — |
| 2024 | 22 | A+ RAW | Quad Cities River Bandits | — | 412 | 358 | 87 | 17 | 3 | 20 | 48 | 111 | 2 | 7 | 4 | 243 | 336 | 475 | 811 | 232 | 290 | 27 | 12 | 354 | 68 | — | — | — | — | — | — |
| 2025 | 23 | AA MLE | Northwest Arkansas Naturals | — | 515 | 460 | 97 | 17 | 2 | 5 | 46 | 130 | 0 | 14 | 3 | 211 | 283 | 289 | 572 | 78 | 275 | 25 | 9 | 259 | 61 | — | — | — | — | — | — |
| 2025 | 23 | AA RAW | Northwest Arkansas Naturals | — | 515 | 436 | 109 | 20 | 2 | 6 | 70 | 109 | 0 | 14 | 3 | 250 | 354 | 346 | 700 | 96 | 312 | 21 | 14 | 318 | 61 | — | — | — | — | — | — |
| 2026 | 24 | AA MLE | Northwest Arkansas Naturals | — | 450 | 403 | 98 | 25 | 4 | 7 | 38 | 91 | 1 | 17 | 4 | 243 | 310 | 377 | 687 | 134 | 292 | 20 | 8 | 300 | 89 | — | — | — | — | — | — |
| 2026 | 24 | AA RAW | Northwest Arkansas Naturals | — | 450 | 386 | 108 | 29 | 4 | 9 | 55 | 75 | 1 | 17 | 4 | 280 | 371 | 446 | 817 | 166 | 320 | 17 | 12 | 358 | 89 | — | — | — | — | — | — |
| 2023 | 21 | A MLE | 2 teams | — | 139 | 121 | 18 | 5 | 0 | 1 | 17 | 31 | 0 | 8 | 4 | 149 | 254 | 215 | 468 | 66 | 190 | 22 | 12 | 230 | 41 | — | — | — | — | — | — |
| 2024 | 22 | A+ MLE | Quad Cities River Bandits | — | 412 | 372 | 69 | 11 | 2 | 16 | 35 | 138 | 2 | 7 | 4 | 185 | 260 | 355 | 615 | 169 | 236 | 33 | 8 | 269 | 68 | — | — | — | — | — | — |
| 2025 | 23 | AA MLE | Northwest Arkansas Naturals | — | 515 | 464 | 97 | 17 | 2 | 5 | 46 | 130 | 0 | 14 | 3 | 209 | 283 | 287 | 569 | 78 | 271 | 25 | 9 | 259 | 61 | — | — | — | — | — | — |
| 2026 | 24 | AA MLE | Northwest Arkansas Naturals | — | 450 | 408 | 98 | 25 | 4 | 7 | 38 | 91 | 1 | 17 | 4 | 240 | 310 | 373 | 683 | 132 | 283 | 20 | 8 | 300 | 89 | — | — | — | — | — | — |
| ▸ Model inputs — neutral MLE (past 3 seasons) | |||||||||||||||||||||||||||||||
| 2024 | 22 | A+ MLE | Quad Cities River Bandits | — | 412 | 372 | 69 | 11 | 2 | 16 | 35 | 138 | 2 | 7 | 4 | 185 | 260 | 355 | 615 | 169 | 236 | 33 | 8 | 269 | 68 | — | — | — | — | — | — |
| 2025 | 23 | AA MLE | Northwest Arkansas Naturals | — | 515 | 464 | 97 | 17 | 2 | 5 | 46 | 130 | 0 | 14 | 3 | 209 | 283 | 287 | 569 | 78 | 271 | 25 | 9 | 259 | 61 | — | — | — | — | — | — |
| 2026 | 24 | AA MLE | Northwest Arkansas Naturals | — | 450 | 408 | 98 | 25 | 4 | 7 | 38 | 91 | 1 | 17 | 4 | 240 | 310 | 373 | 683 | 132 | 283 | 20 | 8 | 300 | 89 | — | — | — | — | — | — |
| ▸ 2027 season | |||||||||||||||||||||||||||||||
| ▸ 2027 — full MLE projection (neutral park, full availability) | |||||||||||||||||||||||||||||||
| 2027 | 25 | MLB MLE | KC | 2% | 380 | 343 | 77 | 17 | 2 | 6 | 33 | 90 | 1 | 8 | 2 | 224 | 294 | 343 | 637 | 118 | 283 | 24 | 9 | 287 | 80 | -9 | +1 | +0 | -2 | +8 | 0.0 |
| ▸ 2027 — real world (MLB) | |||||||||||||||||||||||||||||||
| 2027 | 25 | MLB CTX | KC | 2% | 6 | 5 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 222 | 292 | 337 | 629 | 115 | 281 | 17 | 17 | 283 | 80 | -0 | +0 | +0 | -0 | +0 | -0.0 |
| ▸ Career projection (2028+) — MLB context, MLB playing time (PA × MLB%) | |||||||||||||||||||||||||||||||
| 2028 | 26 | MLB MLE | KC | 31% | 365 | 329 | 75 | 16 | 2 | 7 | 32 | 87 | 1 | 8 | 2 | 226 | 296 | 348 | 643 | 122 | 283 | 24 | 9 | 289 | 82 | -8 | +1 | +0 | -2 | +8 | -0.1 |
| 2029 | 27 | MLB MLE | KC | 42% | 388 | 350 | 79 | 17 | 2 | 7 | 34 | 92 | 1 | 8 | 2 | 226 | 296 | 348 | 644 | 122 | 283 | 24 | 9 | 289 | 82 | -8 | +1 | +0 | -2 | +8 | -0.1 |
| 2030 | 28 | MLB MLE | KC | 48% | 401 | 362 | 80 | 17 | 2 | 7 | 35 | 96 | 1 | 7 | 2 | 225 | 295 | 346 | 642 | 121 | 283 | 24 | 9 | 288 | 81 | -9 | +1 | -1 | -2 | +9 | -0.3 |
| 2031 | 29 | MLB MLE | KC | 49% | 400 | 361 | 80 | 17 | 2 | 7 | 35 | 97 | 1 | 6 | 2 | 223 | 294 | 343 | 637 | 120 | 282 | 24 | 9 | 287 | 80 | -9 | +0 | -1 | -2 | +9 | -0.4 |
| 2028 | 26 | MLB CTX | KC | 31% | 113 | 102 | 23 | 5 | 1 | 2 | 10 | 27 | 0 | 2 | 1 | 223 | 294 | 341 | 635 | 118 | 281 | 24 | 9 | 286 | 82 | -2 | +0 | +0 | -1 | +2 | -0.1 |
| 2029 | 27 | MLB CTX | KC | 42% | 163 | 148 | 33 | 7 | 1 | 3 | 14 | 39 | 0 | 3 | 1 | 223 | 294 | 342 | 635 | 118 | 281 | 24 | 9 | 286 | 82 | -3 | +0 | +0 | -1 | +4 | -0.1 |
| 2030 | 28 | MLB CTX | KC | 48% | 192 | 172 | 38 | 8 | 1 | 3 | 17 | 46 | 1 | 3 | 1 | 222 | 293 | 340 | 633 | 118 | 281 | 24 | 9 | 285 | 81 | -4 | +0 | -0 | -1 | +4 | -0.1 |
| 2031 | 29 | MLB CTX | KC | 49% | 197 | 177 | 38 | 8 | 1 | 3 | 17 | 48 | 1 | 3 | 1 | 221 | 291 | 337 | 628 | 116 | 280 | 24 | 9 | 283 | 80 | -5 | +0 | -1 | -1 | +4 | -0.2 |
| ▸ Career Totals | |||||||||||||||||||||||||||||||
| ▸ Career totals — MLB only (actual + projected) | |||||||||||||||||||||||||||||||
| Career | — | A+C | — | 665 | 599 | 132 | 28 | 4 | 11 | 58 | 160 | 2 | 11 | 4 | 220 | 291 | 336 | 627 | 115 | 280 | 24 | 9 | 285 | 76 | -15 | +1 | -1 | -4 | +14 | -0.5 | |
| / 162G | — | A+C | — | 650 | 585 | 129 | 27 | 4 | 11 | 57 | 156 | 2 | 11 | 4 | 221 | 292 | 337 | 629 | 116 | 280 | 24 | 9 | 285 | 76 | -15 | +1 | -1 | -4 | +14 | -0.5 | |
| Career | — | MLE | — | 3390 | 3045 | 661 | 139 | 18 | 62 | 300 | 838 | 8 | 82 | 25 | 217 | 289 | 336 | 625 | 119 | 275 | 25 | 9 | 281 | 76 | -42 | +3 | -2 | -11 | +41 | -1.2 | |
| / 162G | — | MLE | — | 650 | 584 | 127 | 27 | 3 | 12 | 58 | 161 | 2 | 16 | 5 | 217 | 291 | 336 | 626 | 118 | 276 | 25 | 9 | 281 | 76 | -15 | +1 | -1 | -4 | +14 | -0.4 | |