Jason Jester
P
San Antonio Missions
+0.0
WAR
Age 35
RHP
5'11" / 205 lbs
AA
ERA—
FIP—
xFIP—
SIERA—
K%—
BB%—
K-BB%—
IP—
trajectory · insufficient sample
Career (MLE) + Projections
Park-neutral MLB-equivalent. MiLB translated via MLE factors. FIP-based WAR vs replacement FIP=5.4 (SP) / 5.0 (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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | 24 | A+ | Lake Elsinore Storm | 38 | 0 | 45 | 198 | 52 | 9 | 1 | 20.2% | 5.2% | 1.0% | 3.57 | 2.62 | +1.3 |
| 2016 | 25 | AAA | El Paso Chihuahuas | 47 | 0 | 56 | 242 | 67 | 11 | 4 | 22.8% | 4.9% | 1.8% | 3.20 | 2.80 | +1.5 |
| 2017 | 26 | AAA | El Paso Chihuahuas | 53 | 0 | 67 | 302 | 41 | 27 | 9 | 11.9% | 9.4% | 2.8% | 5.91 | 4.81 | +0.2 |
| 2018 | 27 | AA | San Antonio Missions | 40 | 0 | 60 | 257 | 56 | 12 | 2 | 17.6% | 5.1% | 1.4% | 4.33 | 3.05 | +1.4 |
| ▸ Career (all levels · actual + projected) | ||||||||||||||||
| Career | — | 178 | 0 | 229 | 999 | 177 | 64 | 19 | 17.7% | 6.4% | 1.9% | 4.36 | 3.44 | +5.3 | ||
| / 200 IP | — | 155 | 0 | 200 | 872 | 155 | 56 | 17 | 17.7% | 6.4% | 1.9% | 4.36 | 3.44 | +4.6 | ||
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.