Mason Peters
P
Inland Empire 66ers
Age 22
LHP
5'11" / 175 lbs
A
Svc 0.0 · Ctrl thru 2032
peak 0.6 · 2029
2026 ROS PROJECTION45 act + 52 ip · rates below = ROS only
wRC+ AGAINSTvL 96105vR 114
ERA4.18
FIP4.18
K%25.0%
BB%9.3%
K-BB%15.7%
ROS IP52
Value2026 · WAR
Runs saved vs league avg · 97 IP
━ projected WAR━ paid WAR ($/8M) surplus deficit
Grades · Contract
Career Stats + Projections
Viewactual = stats as recorded (seasons combined) + projected real-world MLB lines · MLE = level/park-neutral translations
Methodology▸ how WAR & MLE are computed
Stats are park-neutral MLB equivalents. The "TEAM" column shows current org affiliation only — we do NOT project at that team's park.
Rates (K%, BB%, HR-BF) are park-stripped; MiLB stat lines are translated to their MLB-equivalent via per-level MLE factors.
WAR is computed from projected runs prevented vs a replacement pitcher (the marginal arm a team would call up if this pitcher were unavailable) — calibrated to industry-standard fWAR.
| Year | Age | Lvl | Team | G | GS | IP | BF | K | BB | HR | GS% | IP/G | K% | BB% | K-BB% | HR% | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▸ 2026 Season | |||||||||||||||||||
| 2026 | 22 | A | Inland Empire 66ers | 11 | 11 | 45 | 170 | 63 | 8 | 2 | 100% | 4.1 | 27.4% | 5.6% | 21.9% | 1.5% | 1.41 | 2.33 | +1.2 |
| ROS | 22 | MLB | SEA | 10 | 10 | 52 | 222 | 55 | 21 | 7 | 100% | 5.2 | 25.0% | 9.3% | 15.7% | 3.0% | 4.18 | 4.18 | +0.2 |
| ROS | 22 | MLB | SEA | — | — | 0 | — | — | — | — | — | — | 25.0% | 9.3% | 15.7% | 2.9% | 4.14 | 4.14 | — |
| 2026 TOT | 22 | MLB | SEA | — | — | 97 | 392 | 118 | 29 | 9 | — | — | 30.2% | 7.3% | 22.9% | 2.2% | 2.91 | 3.33 | +2.3 |
| ▸ 2027+ Projections WITH CONTEXT · MLB TIME ONLY ⓘ | |||||||||||||||||||
| 2027 | 23 | MLB | SEA | 10 | 10 | 54 | 230 | 59 | 21 | 7 | 100% | 5.5 | 25.6% | 9.0% | 16.6% | 2.9% | 4.12 | 4.07 | +0.3 |
| 2028 | 24 | MLB | SEA | 10 | 10 | 56 | 236 | 61 | 21 | 7 | 100% | 5.6 | 26.0% | 8.8% | 17.2% | 2.9% | 4.05 | 4.00 | +0.4 |
| 2029 | 25 | MLB | SEA | 10 | 10 | 57 | 239 | 63 | 21 | 7 | 100% | 5.7 | 26.2% | 8.7% | 17.5% | 2.9% | 4.00 | 3.96 | +0.4 |
| 2030 | 26 | MLB | SEA | 9 | 9 | 57 | 239 | 63 | 21 | 7 | 100% | 6.3 | 26.3% | 8.6% | 17.7% | 2.9% | 3.97 | 3.94 | +0.4 |
| 2031 | 27 | MLB | SEA | 9 | 9 | 56 | 236 | 62 | 21 | 7 | 100% | 6.2 | 26.3% | 8.7% | 17.6% | 3.0% | 3.98 | 3.98 | +0.4 |
| 2032 | 28 | MLB | SEA | 9 | 9 | 54 | 228 | 60 | 20 | 7 | 100% | 6.0 | 26.2% | 8.9% | 17.3% | 3.1% | 4.03 | 4.07 | +0.3 |
| 2033 | 29 | MLB | SEA | 9 | 9 | 52 | 218 | 57 | 20 | 7 | 100% | 5.7 | 26.0% | 9.1% | 16.9% | 3.2% | 4.13 | 4.20 | +0.2 |
| 2034 | 30 | MLB | SEA | 8 | 8 | 49 | 205 | 53 | 19 | 7 | 100% | 6.1 | 25.6% | 9.4% | 16.2% | 3.4% | 4.28 | 4.37 | +0.1 |
| 2035 | 31 | MLB | SEA | 8 | 8 | 45 | 191 | 48 | 19 | 7 | 100% | 5.7 | 25.2% | 9.8% | 15.5% | 3.6% | 4.46 | 4.58 | -0.0 |
| 2027 | 23 | MLB | SEA | 5 | 5 | 27 | 114 | 29 | 10 | 3 | 100% | 5.4 | 25.6% | 9.0% | 16.6% | 2.9% | 4.08 | 4.03 | +0.2 |
| 2028 | 24 | MLB | SEA | 7 | 7 | 39 | 165 | 43 | 14 | 5 | 100% | 5.6 | 26.0% | 8.8% | 17.2% | 2.8% | 4.01 | 3.96 | +0.3 |
| 2029 | 25 | MLB | SEA | 8 | 8 | 46 | 194 | 51 | 17 | 5 | 100% | 5.8 | 26.2% | 8.7% | 17.5% | 2.8% | 3.96 | 3.92 | +0.3 |
| 2030 | 26 | MLB | SEA | 8 | 8 | 49 | 207 | 54 | 18 | 6 | 100% | 6.1 | 26.3% | 8.6% | 17.7% | 2.8% | 3.93 | 3.90 | +0.4 |
| 2031 | 27 | MLB | SEA | 8 | 8 | 50 | 211 | 56 | 18 | 6 | 100% | 6.2 | 26.3% | 8.7% | 17.6% | 2.9% | 3.94 | 3.94 | +0.4 |
| 2032 | 28 | MLB | SEA | 8 | 8 | 50 | 211 | 55 | 19 | 6 | 100% | 6.2 | 26.2% | 8.9% | 17.3% | 3.0% | 3.99 | 4.03 | +0.3 |
| 2033 | 29 | MLB | SEA | 8 | 8 | 48 | 203 | 53 | 18 | 6 | 100% | 6.0 | 26.0% | 9.1% | 16.9% | 3.1% | 4.09 | 4.16 | +0.2 |
| 2034 | 30 | MLB | SEA | 8 | 8 | 46 | 194 | 50 | 18 | 6 | 100% | 5.8 | 25.6% | 9.4% | 16.2% | 3.3% | 4.23 | 4.32 | +0.1 |
| 2035 | 31 | MLB | SEA | 7 | 7 | 43 | 182 | 46 | 18 | 6 | 100% | 6.1 | 25.2% | 9.8% | 15.5% | 3.5% | 4.41 | 4.53 | +0.0 |
| ▸ Career (MLB actual + context projections) | |||||||||||||||||||
| Career | — | 68 | 68 | 398 | 1680 | 436 | 151 | 51 | 100% | 5.9 | 26.0% | 9.0% | 17.0% | 3.0% | 4.07 | 3.70 | +7.9 | ||
| / 200 IP | — | 34 | 34 | 200 | 844 | 219 | 76 | 26 | 100% | 5.9 | 26.0% | 9.0% | 17.0% | 3.0% | 4.07 | 3.70 | +4.0 | ||
| Career | — | 11 | 11 | 45 | 170 | 47 | 9 | 3 | 100% | 4.1 | 27.4% | 5.6% | 21.9% | 1.5% | 1.41 | 2.33 | +1.2 | ||
| / 200 IP | — | 49 | 49 | 200 | 761 | 209 | 42 | 12 | 100% | 4.1 | 27.4% | 5.6% | 21.9% | 1.5% | 1.41 | 2.33 | +7.2 | ||
Career Path Comps
What happened to similar pitchers from this age · Y-axis: ERA+ (100 = league avg, 150 = elite, 80 = below) · Bands: P10–P90 outer, P25–P75 inner · Gold: OGILVIE projection
| Profile at Match Age | Next 3 Yrs | Career | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comp | Age | Role | FIP | K% | BB% | HR/BF | BABIP | FIP | K% | K-BB% | IP | ΔFIP | Low FIP | IP | Match |
| Mason Peters (OGILVIE) | — | — | 4.18 | 25.0% | 9.3% | 3.0% | — | 4.01 | 25.9% | 17.1% | 167 | -0.17 | — | — | — |
| Jake Bennett L 2026 · 3.54 FIP | 22 | SP | 3.54 | 21.2% | 7.2% | 2.4% | .339 | 3.10 | 19.0% | 12.8% | 156 | -0.44 | 2.79 | 219 | 84 |
| Jordan Wicks L 2026 · 3.89 FIP | 22 | SP | 3.89 | 23.5% | 7.9% | 3.2% | .329 | 4.07 | 21.1% | 12.8% | 278 | +0.18 | 2.93 | 431 | 83 |
| Anthony Veneziano L 2027 · 4.24 FIP | 23 | SP | 4.24 | 24.9% | 10.8% | 3.4% | .298 | 5.19 | 18.7% | 8.0% | 358 | +0.95 | 4.24 | 501 | 83 |
| Kash Mayfield L 2025 · 4.36 FIP | 21 | SP | 4.36 | 23.3% | 11.4% | 3.3% | .273 | — | — | — | — | — | 3.23 | 109 | 83 |
| T.J. Sikkema L 2028 · 4.71 FIP | 24 | SP | 4.71 | 21.9% | 9.0% | 4.2% | .298 | 4.64 | 16.9% | 7.4% | 231 | -0.07 | 3.39 | 300 | 83 |
| Adam Seminaris L 2026 · 3.90 FIP | 22 | SP | 3.90 | 22.7% | 8.3% | 3.0% | .357 | 3.75 | 18.2% | 9.3% | 230 | -0.15 | 3.11 | 524 | 83 |
| Hunter Barco L 2027 · 3.51 FIP | 23 | SP | 3.51 | 23.4% | 10.0% | 2.0% | .275 | 3.79 | 22.7% | 10.5% | 150 | +0.28 | 3.51 | 212 | 80 |
| Carson Dorsey L 2026 · 2.99 FIP | 22 | SP | 2.99 | 24.5% | 11.5% | 0.9% | .313 | 5.47 | 18.3% | 5.8% | 65 | +2.48 | 2.99 | 107 | 80 |
| Evan Lee L 2028 · 4.00 FIP | 24 | SP | 4.00 | 24.2% | 11.1% | 2.8% | .333 | 4.48 | 21.0% | 2.7% | 52 | +0.48 | 3.84 | 129 | 79 |
| Sam Weatherly L 2026 · 3.86 FIP | 22 | SP | 3.86 | 24.0% | 12.8% | 2.1% | .323 | 4.14 | 21.9% | 8.9% | 41 | +0.28 | 3.86 | 189 | 79 |
| Brent Killam L 2027 · 4.35 FIP | 23 | SP | 4.35 | 29.1% | 14.5% | 3.4% | .284 | 7.12 | 18.4% | 9.6% | 80 | +2.77 | 4.35 | 121 | 79 |
| Reid Detmers L 2026 · 3.95 FIP | 22 | SP | 3.95 | 29.9% | 9.1% | 4.0% | .335 | 4.27 | 25.4% | 16.6% | 443 | +0.32 | 2.84 | 690 | 79 |
| Hogan Harris L 2026 · 3.73 FIP | 22 | SP | 3.73 | 20.5% | 10.6% | 1.9% | .235 | 3.64 | 27.4% | 12.7% | 74 | -0.09 | 3.14 | 473 | 78 |
| Mason Molina L 2026 · 4.28 FIP | 22 | SP | 4.28 | 22.7% | 12.6% | 2.7% | .276 | 3.56 | 23.3% | 13.3% | 69 | -0.72 | 3.56 | 165 | 78 |
| Drew Parrish L 2027 · 3.53 FIP | 23 | SP- | 3.53 | 24.1% | 7.9% | 2.7% | .261 | 6.22 | 16.8% | 6.5% | 354 | +2.69 | 3.53 | 522 | 78 |
| Connelly Early L 2026 · 3.30 FIP | 22 | SP | 3.30 | 24.1% | 9.8% | 1.8% | .292 | 3.29 | 26.2% | 17.0% | 211 | -0.01 | 2.52 | 315 | 78 |
| Carson Whisenhunt L 2026 · 3.18 FIP | 22 | SP | 3.18 | 27.4% | 11.1% | 1.8% | .270 | 4.32 | 21.0% | 10.7% | 313 | +1.14 | 3.18 | 372 | 77 |
| Nick Zwack L 2027 · 3.10 FIP | 23 | SP | 3.10 | 23.9% | 9.3% | 1.5% | .299 | 5.99 | 18.2% | 8.4% | 143 | +2.89 | 3.10 | 271 | 77 |
| Noah Schultz L 2026 · 4.49 FIP | 22 | SP | 4.49 | 24.1% | 11.7% | 3.5% | .221 | — | — | — | — | — | 2.61 | 264 | 76 |
| Samy Natera Jr. L 2027 · 5.17 FIP | 23 | SP | 5.17 | 22.9% | 13.3% | 4.2% | .294 | 3.68 | 29.8% | 14.8% | 108 | -1.49 | 1.94 | 191 | 76 |
Career Comps
Retired MLB careers whose totals most resemble what we're projecting for this player. Pool: 327 completed pitcher careers (2015-2024).
| Player | Yrs | IP/yr | K% | BB% | HR/9 | ERA |
|---|---|---|---|---|---|---|
| OGILVIE CAREER PROJECTION | 10 | 53 | 25.9% | 9.0% | 1.19 | 4.11 |
| Daniel Hudson ('24) | 9 | 52 | 25.5% | 8.9% | 1.13 | 3.75 |
| Trevor May ('23) | 8 | 51 | 27.6% | 8.3% | 1.18 | 3.83 |
| Hansel Robles ('22) | 7 | 59 | 25.3% | 10.1% | 1.16 | 3.86 |
| Brad Hand ('23) | 9 | 64 | 27.2% | 8.6% | 0.89 | 3.53 |
| Will Smith ('24) | 8 | 56 | 29.2% | 8.8% | 1.07 | 3.60 |
| Bryan Shaw ('23) | 8 | 64 | 21.4% | 9.4% | 1.12 | 4.19 |