Jack Ralston
P
Jacksonville Jumbo Shrimp
+0.1
WAR
Age 28
RHP
6'6" / 231 lbs
AAA
peak 0.1 · 2026
ERA4.82
FIP4.82
xFIP—
SIERA—
K%23.5%
BB%13.7%
K-BB%9.8%
IP56
trajectory · 10 yrs
0.1peak
2026
K†5555
Career (MLE) + Projections
Park-neutral MLB-equivalent. MiLB translated via MLE factors. FIP-based WAR vs replacement FIP=5.3 (SP) / 4.95 (RP, <80 IP). FIP+ = runs above league-avg FIP · REP = replacement-level bonus.
| Year | Age | Lvl | Team | G | GS | IP | BF | K | BB | HR | K% | BB% | HR% | ERA | FIP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 23 | A+ | Peoria Chiefs | 28 | 11 | 67 | 278 | 101 | 36 | 4 | 28.0% | 14.9% | 1.7% | 3.49 | 3.56 | +1.1 |
| 2022 | 24 | A+ | Peoria Chiefs | 22 | 1 | 27 | 118 | 38 | 24 | 2 | 24.9% | 24.4% | 2.5% | 4.00 | 5.45 | -0.2 |
| 2023 | 25 | AA | Springfield Cardinals | 30 | 0 | 36 | 159 | 48 | 30 | 1 | 23.7% | 21.1% | 0.7% | 4.95 | 4.16 | +0.3 |
| 2024 | 26 | AA | Springfield Cardinals | 40 | 0 | 63 | 257 | 80 | 29 | 9 | 25.2% | 12.4% | 3.0% | 2.73 | 4.20 | +0.5 |
| 2025 | 27 | AAA | Memphis Redbirds | 38 | 0 | 57 | 257 | 72 | 43 | 6 | 23.3% | 18.1% | 2.7% | 3.61 | 4.89 | +0.0 |
| ▸ 2026 Season | ||||||||||||||||
| 2026 | 28 | AAA | Jacksonville Jumbo Shrimp | 7 | 0 | 9 | 39 | 15 | 7 | 0 | — | — | — | 2.00 | — | — |
| ROS | 28 | MLB | MIA | 56 | — | 56 | 238 | 56 | 33 | 7 | 23.5% | 13.7% | 2.9% | 4.82 | 4.82 | +0.1 |
| 2026 Total | 28 | MLB | MIA | — | — | 65 | 277 | 71 | 40 | 7 | 25.6% | 14.3% | 2.5% | 4.43 | 4.16 | +0.6 |
| ▸ 2027+ Projections — Marcel base + age-bracket aging | ||||||||||||||||
| 2027 | 29 | MLB | MIA | 55 | — | 55 | 232 | 54 | 31 | 7 | 23.4% | 13.3% | 2.9% | 4.79 | 4.81 | +0.1 |
| 2028 | 30 | MLB | MIA | 53 | — | 53 | 225 | 52 | 30 | 7 | 23.2% | 13.1% | 3.0% | 4.80 | 4.84 | +0.1 |
| 2029 | 31 | MLB | MIA | 52 | — | 52 | 217 | 50 | 28 | 7 | 23.0% | 13.1% | 3.1% | 4.84 | 4.88 | +0.0 |
| 2030 | 32 | MLB | MIA | 49 | — | 49 | 209 | 47 | 27 | 7 | 22.7% | 13.1% | 3.2% | 4.91 | 4.96 | -0.0 |
| 2031 | 33 | MLB | MIA | 47 | — | 47 | 199 | 45 | 26 | 6 | 22.4% | 13.3% | 3.2% | 5.00 | 5.05 | -0.1 |
| 2032 | 34 | MLB | MIA | 45 | — | 45 | 189 | 42 | 25 | 6 | 22.1% | 13.5% | 3.3% | 5.10 | 5.16 | -0.1 |
| 2033 | 35 | MLB | MIA | 42 | — | 42 | 178 | 39 | 24 | 6 | 21.7% | 13.7% | 3.5% | 5.21 | 5.28 | -0.2 |
| 2034 | 36 | MLB | MIA | 40 | — | 40 | 167 | 35 | 23 | 6 | 21.2% | 14.0% | 3.6% | 5.33 | 5.42 | -0.2 |
| ▸ Career (all levels · actual + projected) | ||||||||||||||||
| Career | — | 165 | 12 | 259 | 1108 | 284 | 189 | 23 | 25.7% | 17.1% | 2.1% | 3.54 | 4.25 | +3.1 | ||
| / 200 IP | — | 127 | 9 | 200 | 854 | 219 | 146 | 18 | 25.7% | 17.1% | 2.1% | 3.54 | 4.25 | +2.4 | ||
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 |
| Jack Ralston (OGILVIE) | — | — | 4.82 | 23.5% | 13.7% | 2.9% | — | 4.84 | 23.2% | 10.0% | 160 | +0.02 | — | — | — |
| Javy Guerra R 2028 · 4.30 FIP | 30 | SW | 4.30 | 21.3% | 13.9% | 2.3% | .303 | 3.87 | 19.5% | 13.0% | 193 | -0.43 | 3.01 | 260 | 86 |
| Brandon Cunniff R 2026 · 4.82 FIP | 28 | SW | 4.82 | 20.1% | 11.6% | 3.6% | .275 | 6.70 | 13.9% | -1.9% | 30 | +1.88 | 3.88 | 180 | 85 |
| Collin Baumgartner R 2024 · 3.76 FIP | 26 | SW | 3.76 | 23.9% | 12.3% | 2.0% | .291 | — | — | — | — | — | 2.99 | 117 | 84 |
| Grant Sides R 2025 · 3.83 FIP | 27 | SW | 3.83 | 22.4% | 11.9% | 2.0% | .247 | 3.31 | 21.7% | 11.9% | 47 | -0.52 | 3.31 | 159 | 83 |
| Dustin Molleken R 2028 · 3.72 FIP | 30 | SW | 3.72 | 20.4% | 11.7% | 1.6% | .287 | 3.88 | 20.6% | 8.4% | 77 | +0.16 | 3.38 | 129 | 83 |
| Spencer Bivens R 2026 · 4.85 FIP | 28 | SU | 4.85 | 19.8% | 13.5% | 3.1% | .265 | 3.87 | 18.2% | 10.2% | 272 | -0.98 | 3.45 | 315 | 83 |
| Cody Satterwhite R 2026 · 3.72 FIP | 28 | SW | 3.72 | 20.2% | 9.8% | 2.0% | .333 | 4.05 | 17.7% | 10.2% | 75 | +0.33 | 3.70 | 147 | 82 |
| Ariel Peña R 2026 · 3.96 FIP | 28 | SW | 3.96 | 22.5% | 12.0% | 2.3% | .304 | 6.07 | 19.9% | -5.7% | 21 | +2.11 | 3.79 | 223 | 82 |
| Evan Gates R 2025 · 4.02 FIP | 27 | SW | 4.02 | 22.5% | 11.8% | 2.4% | .312 | — | — | — | — | — | 3.66 | 242 | 81 |
| Alex Hoppe R 2024 · 3.89 FIP | 26 | SW | 3.89 | 22.8% | 12.7% | 2.0% | .327 | — | — | — | — | — | 3.89 | 176 | 81 |
| Jeff Johnson R 2025 · 3.71 FIP | 27 | SW | 3.71 | 23.6% | 15.6% | 1.1% | .297 | — | — | — | — | — | 2.49 | 160 | 81 |
| Tanner Scheppers R 2026 · 4.38 FIP | 28 | SW | 4.38 | 17.7% | 11.2% | 2.5% | .263 | 4.82 | 15.7% | 9.0% | 48 | +0.44 | 4.38 | 101 | 81 |
| Cole McDonald R 2025 · 5.16 FIP | 27 | SU | 5.16 | 21.1% | 13.8% | 3.8% | .281 | — | — | — | — | — | 2.84 | 153 | 80 |
| Brandon Maurer R 2026 · 4.89 FIP | 28 | SW | 4.89 | 19.7% | 13.0% | 3.3% | .339 | — | — | — | — | — | 2.98 | 234 | 80 |
| Luis Mateo R 2025 · 4.58 FIP | 27 | SW | 4.58 | 17.6% | 11.2% | 2.8% | .309 | 5.45 | 8.6% | -4.8% | 43 | +0.87 | 3.47 | 160 | 79 |
| Kyle Barraclough R 2026 · 4.63 FIP | 28 | SW | 4.63 | 24.5% | 12.7% | 3.6% | .219 | 5.06 | 30.1% | 17.0% | 86 | +0.43 | 1.95 | 523 | 79 |
| Ronald Peña R 2025 · 4.57 FIP | 27 | SU | 4.57 | 20.5% | 12.6% | 2.9% | .355 | 4.49 | 16.5% | 6.1% | 39 | -0.08 | 3.70 | 187 | 79 |
| Ryan Jennings R 2024 · 5.10 FIP | 26 | SW | 5.10 | 25.3% | 16.2% | 3.8% | .324 | — | — | — | — | — | 3.48 | 142 | 79 |
| Wil Browning R 2026 · 4.45 FIP | 28 | SW | 4.45 | 17.9% | 13.1% | 2.2% | .359 | — | — | — | — | — | 2.14 | 162 | 78 |
| Wirfin Obispo R 2028 · 4.83 FIP | 30 | SU | 4.83 | 18.6% | 12.2% | 3.2% | .292 | 1.31 | 28.6% | 24.5% | 126 | -3.52 | 1.30 | 218 | 78 |
Contract
No contract data on file. Pre-MLB players and minor-league free agents do not yet have salary projections — entries are added at first 40-man roster placement.