Greg Weissert
P
Boston Red Sox
+0.5
WAR
Age 31
RHP
6'2" / 235 lbs
MLB
peak 0.6 · 2026
ERA3.66
FIP4.02
xFIP1.99
SIERA2.00
K%21.9%
BB%7.5%
K-BB%14.4%
IP57
trajectory · 10 yrs
0.6peak
2026
STUF4040
CTRL5555
CMD5050
K†5055
FB Velo
p4494.1
Whiff%
p2922.4%
K%
p3820.5%
xwOBA vs
p740.289
FB+2.0 (62%)
SL (30%)
SI (36%)
CU (3%)
CH-2.5 (8%)
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | 21 | A | Charleston RiverDogs | 17 | 0 | 19 | 85 | 25 | 11 | 1 | 19.4% | 19.3% | 2.3% | 2.84 | 5.19 | -0.1 |
| 2018 | 23 | A+ | Tampa Tarpons | 36 | 0 | 61 | 266 | 86 | 25 | 4 | 24.3% | 10.9% | 2.3% | 3.12 | 3.67 | +0.9 |
| 2019 | 24 | AA | Trenton Thunder | 39 | 0 | 65 | 279 | 77 | 35 | 3 | 21.7% | 14.2% | 1.4% | 4.02 | 3.83 | +0.9 |
| 2021 | 26 | AAA | Scranton/Wilkes-Barre RailRiders | 40 | 0 | 49 | 207 | 60 | 26 | 2 | 24.8% | 13.3% | 0.9% | 1.64 | 3.20 | +1.0 |
| 2022 | 27 | MLB | New York Yankees | 54 | 0 | 59 | 238 | 81 | 23 | 4 | 32.4% | 9.9% | 1.7% | 2.43 | 2.57 | +1.6 |
| 2023 | 28 | MLB | New York Yankees | 55 | 0 | 60 | 256 | 80 | 25 | 8 | 28.5% | 10.1% | 3.2% | 3.28 | 3.72 | +0.8 |
| 2024 | 29 | MLB | Boston Red Sox | 66 | 0 | 69 | 285 | 65 | 18 | 8 | 22.1% | 6.1% | 2.8% | 2.99 | 3.55 | +1.2 |
| 2025 | 30 | MLB | Boston Red Sox | 72 | 0 | 67 | 278 | 57 | 20 | 6 | 20.5% | 7.2% | 2.1% | 2.82 | 3.44 | +1.2 |
| ▸ 2026 Season | ||||||||||||||||
| 2026 | 31 | MLB | Boston Red Sox | 8 | 0 | 7 | 32 | 11 | 3 | 3 | — | — | — | 6.14 | — | — |
| ROS | 31 | MLB | BOS | 50 | — | 50 | 209 | 44 | 15 | 6 | 20.9% | 7.4% | 2.7% | 3.65 | 4.13 | +0.5 |
| 2026 Total | 31 | MLB | BOS | — | — | 57 | 241 | 55 | 18 | 9 | 22.7% | 7.7% | 3.6% | 3.97 | 3.60 | +0.9 |
| ▸ 2027+ Projections — Marcel base + age-bracket aging | ||||||||||||||||
| 2027 | 32 | MLB | BOS | 55 | — | 55 | 231 | 51 | 18 | 7 | 22.1% | 7.7% | 3.2% | 4.10 | 4.33 | +0.4 |
| 2028 | 33 | MLB | BOS | 52 | — | 52 | 220 | 47 | 17 | 7 | 21.4% | 7.9% | 3.3% | 4.32 | 4.46 | +0.3 |
| 2029 | 34 | MLB | BOS | 50 | — | 50 | 209 | 43 | 17 | 7 | 20.8% | 8.1% | 3.4% | 4.49 | 4.60 | +0.2 |
| 2030 | 35 | MLB | BOS | 47 | — | 47 | 197 | 39 | 16 | 7 | 20.0% | 8.3% | 3.5% | 4.65 | 4.75 | +0.1 |
| 2031 | 36 | MLB | BOS | 44 | — | 44 | 185 | 35 | 16 | 7 | 19.2% | 8.6% | 3.6% | 4.81 | 4.92 | +0.0 |
| ▸ Career (all levels · actual + projected) | ||||||||||||||||
| Career | — | 387 | 0 | 457 | 1926 | 474 | 202 | 43 | 24.6% | 10.5% | 2.2% | 2.99 | 3.58 | +8.9 | ||
| / 200 IP | — | 169 | 0 | 200 | 842 | 207 | 88 | 19 | 24.6% | 10.5% | 2.2% | 2.99 | 3.58 | +3.9 | ||
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 |
| Greg Weissert (OGILVIE) | — | — | 4.13 | 20.9% | 7.4% | 2.7% | — | 4.46 | 21.5% | 13.6% | 156 | +0.33 | — | — | — |
| Angel Castro R 2027 · 4.53 FIP | 32 | SW | 4.53 | 15.9% | 8.0% | 3.2% | .268 | 4.27 | 13.6% | 5.5% | 231 | -0.26 | 3.50 | 292 | 82 |
| Jean Machi R 2028 · 4.63 FIP | 33 | SW | 4.63 | 16.3% | 8.6% | 3.3% | .276 | 4.24 | 18.5% | 11.9% | 128 | -0.39 | 4.11 | 186 | 81 |
| Junichi Tazawa R 2026 · 4.53 FIP | 31 | SW | 4.53 | 16.0% | 7.6% | 3.3% | .270 | 4.84 | 19.3% | 9.7% | 63 | +0.31 | 2.99 | 227 | 80 |
| Hector Ambriz R 2027 · 3.55 FIP | 32 | SW | 3.55 | 16.0% | 6.4% | 1.8% | .273 | 6.40 | 10.4% | 2.9% | 91 | +2.85 | 3.55 | 155 | 80 |
| Juan Sandoval R 2029 · 3.82 FIP | 34 | SW | 3.82 | 15.4% | 6.0% | 2.3% | .294 | 3.34 | 17.4% | 8.8% | 116 | -0.48 | 3.21 | 225 | 80 |
| Chris Leroux R 2026 · 4.22 FIP | 31 | SW | 4.22 | 15.2% | 8.6% | 2.4% | .279 | 4.06 | 13.5% | 5.5% | 140 | -0.16 | 4.06 | 219 | 80 |
| Yoanner Negrin R 2026 · 3.80 FIP | 31 | SW | 3.80 | 15.1% | 7.5% | 1.9% | .256 | 3.29 | 15.0% | 8.5% | 270 | -0.51 | 3.15 | 485 | 79 |
| Felipe Arredondo R 2025 · 4.79 FIP | 30 | SW | 4.79 | 14.8% | 7.3% | 3.7% | .311 | 4.68 | 16.2% | 9.1% | 64 | -0.11 | 3.93 | 337 | 79 |
| Edwin Jackson R 2026 · 3.75 FIP | 31 | SW | 3.75 | 17.5% | 8.8% | 1.9% | .244 | 4.71 | 17.6% | 7.8% | 377 | +0.96 | 3.75 | 521 | 79 |
| Jim Johnson R 2027 · 3.34 FIP | 32 | SW | 3.34 | 17.2% | 6.2% | 1.7% | .330 | 3.67 | 22.0% | 14.1% | 185 | +0.33 | 2.57 | 251 | 79 |
| Elian Leyva R 2025 · 4.30 FIP | 30 | SW | 4.30 | 17.0% | 8.5% | 2.9% | .323 | — | — | — | — | — | 3.11 | 158 | 78 |
| Tim Dillard R 2027 · 3.60 FIP | 32 | SW | 3.60 | 15.9% | 7.7% | 1.6% | .330 | 3.87 | 16.7% | 8.1% | 144 | +0.27 | 3.12 | 352 | 78 |
| Alexi Ogando R 2026 · 5.21 FIP | 31 | SW | 5.21 | 19.1% | 9.4% | 4.6% | .253 | 3.95 | 17.2% | 8.0% | 67 | -1.26 | 3.80 | 132 | 78 |
| Kevin Jepsen R 2026 · 3.46 FIP | 31 | SW | 3.46 | 20.7% | 9.1% | 1.7% | .241 | 5.68 | 16.9% | 7.2% | 90 | +2.22 | 3.46 | 160 | 78 |
| Jair Jurrjens R 2026 · 4.27 FIP | 31 | SW | 4.27 | 16.3% | 7.9% | 2.8% | .335 | — | — | — | — | — | 4.27 | 125 | 78 |
| Tyler Herron R 2025 · 3.99 FIP | 30 | SW | 3.99 | 16.4% | 8.7% | 2.1% | .377 | — | — | — | — | — | 3.99 | 117 | 77 |
| Tony Barnette R 2027 · 3.05 FIP | 32 | SW | 3.05 | 19.9% | 6.1% | 1.6% | .281 | 3.28 | 23.4% | 17.0% | 84 | +0.23 | 2.56 | 144 | 77 |
| Tyler Sturdevant R 2026 · 4.49 FIP | 31 | SW | 4.49 | 13.5% | 6.7% | 3.1% | .300 | — | — | — | — | — | 3.47 | 149 | 77 |
| Erik Davis R 2026 · 3.54 FIP | 31 | SW | 3.54 | 17.4% | 8.9% | 1.4% | .317 | — | — | — | — | — | 3.05 | 227 | 77 |
| Zack Segovia R 2027 · 4.81 FIP | 32 | SU | 4.81 | 15.0% | 8.3% | 3.5% | .314 | 3.37 | 20.2% | 14.3% | 39 | -1.44 | 3.37 | 144 | 77 |
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.