Jon Olczak
Jon Olczak
P
Gwinnett Stripers
+0.0
WAR
Age 32
RHP
6'0" / 180 lbs
AAA
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 | 21 | ROK | Helena Brewers | 14 | 0 | 28 | 113 | 43 | 5 | 2 | 25.9% | 5.5% | 2.5% | 2.28 | 2.98 | +0.7 |
| 2016 | 22 | A+ | Brevard County Manatees | 38 | 0 | 56 | 235 | 67 | 17 | 3 | 22.0% | 8.3% | 1.3% | 3.04 | 3.04 | +1.3 |
| 2017 | 23 | A+ | Carolina Mudcats | 14 | 1 | 22 | 100 | 23 | 8 | 3 | 16.4% | 10.3% | 3.1% | 5.73 | 4.70 | +0.1 |
| 2018 | 24 | AA | Biloxi Shuckers | 44 | 0 | 58 | 230 | 63 | 17 | 1 | 22.0% | 8.0% | 0.5% | 1.39 | 2.51 | +1.7 |
| 2019 | 25 | AAA | San Antonio Missions | 35 | 0 | 48 | 210 | 48 | 13 | 5 | 19.7% | 6.6% | 2.7% | 4.12 | 3.78 | +0.7 |
| 2021 | 27 | AAA | Sugar Land Skeeters | 36 | 0 | 48 | 192 | 53 | 10 | 3 | 23.1% | 5.6% | 1.9% | 2.81 | 2.89 | +1.2 |
| 2022 | 28 | AAA | Sugar Land Space Cowboys | 47 | 2 | 66 | 291 | 77 | 21 | 14 | 23.3% | 7.6% | 6.3% | 4.66 | 5.58 | -0.4 |
| 2023 | 29 | AAA | Gwinnett Stripers | 4 | 0 | 3 | 29 | 3 | 4 | 1 | 10.3% | 13.8% | 3.4% | 27.00 | 5.87 | -0.0 |
| ▸ Career (all levels · actual + projected) | ||||||||||||||||
| Career | — | 232 | 3 | 329 | 1400 | 304 | 105 | 39 | 21.7% | 7.5% | 2.8% | 3.55 | 3.74 | +6.4 | ||
| / 200 IP | — | 141 | 2 | 200 | 850 | 185 | 64 | 24 | 21.7% | 7.5% | 2.8% | 3.55 | 3.74 | +3.9 | ||
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.