Zac Grotz
P
Worcester Red Sox
+0.0
WAR
Age 33
RHP
6'2" / 195 lbs
AAA
ERA—
FIP—
xFIP11.13
SIERA8.54
K%—
BB%—
K-BB%—
IP—
trajectory · insufficient sample
FB Velo
p1892.2
Whiff%
p1520.3%
K%
p6424.7%
xwOBA vs
p770.286
CT-0.9
FB-1.2
SL-4.5
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 | 22 | ROK | Greeneville Astros | 3 | 0 | 5 | 17 | 4 | 1 | 0 | 23.5% | 5.9% | 0.0% | 0.00 | 1.86 | +0.2 |
| 2016 | 23 | ROK | Ogden Raptors | 5 | 2 | 18 | 76 | 11 | 3 | 0 | 9.8% | 4.9% | 0.0% | 0.50 | 2.89 | +0.4 |
| 2018 | 25 | A | Columbia Fireflies | 13 | 13 | 80 | 346 | 83 | 12 | 4 | 17.8% | 4.1% | 1.6% | 4.61 | 2.99 | +2.1 |
| 2019 | 26 | MLB | Seattle Mariners | 42 | 6 | 78 | 310 | 90 | 18 | 4 | 24.8% | 6.0% | 2.8% | 2.78 | 3.33 | +1.7 |
| 2020 | 27 | MLB | Seattle Mariners | 5 | 0 | 7 | 46 | 4 | 11 | 4 | 8.7% | 23.9% | 8.7% | 14.73 | 10.17 | -0.4 |
| 2021 | 28 | AAA | Worcester Red Sox | 8 | 1 | 10 | 51 | 7 | 4 | 3 | 12.1% | 8.2% | 4.0% | 9.58 | 5.29 | -0.0 |
| ▸ Career (all levels · actual + projected) | ||||||||||||||||
| Career | — | 76 | 22 | 198 | 846 | 160 | 53 | 20 | 18.9% | 6.2% | 2.4% | 4.04 | 3.61 | +4.2 | ||
| / 200 IP | — | 77 | 22 | 200 | 853 | 161 | 53 | 20 | 18.9% | 6.2% | 2.4% | 4.04 | 3.61 | +4.2 | ||
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.