| Window | G | IP | ERA | WHIP | K | BB |
|---|---|---|---|---|---|---|
| Last 30 days | 4 | 17 | 7.79 | 1.79 | 16 | 7 |
| 2026 season | 30 | 166 | 3.67 | 1.19 | 151 | 45 |
How Foster ranks vs qualified MLB pitchers in 2026. Higher percentile = better. The chip on each bar is the percentile (e.g. 11%ile means better than 11% of qualified players).
| Split | IP | ERA | WHIP | K | BB | HR |
|---|---|---|---|---|---|---|
| As starter | 129 | 3.06 | 1.07 | 116 | 30 | 19 |
| As starter | 37 | 5.79 | 1.61 | 35 | 15 | 4 |
| As starter | 166 | 3.67 | 1.19 | 151 | 45 | 23 |
| Home | 59 |
Last appearance · Sep 15 · 83 pitches
| Pitch | Count | Usage | Avg Velo | Max |
|---|---|---|---|---|
CutterFC | 24 | 29% | 89.8 mph | 91.4 |
SweeperST | 21 | 25% | 82.8 mph | 85.1 |
ChangeupCH | 17 | 20% | 84.9 mph | 86.5 |
SinkerSI | 10 | 12% | 92.2 mph | 93.3 |
Four-Seam FastballFF | 4 | 5% | 92.0 mph | 93.1 |
CurveballCU | 4 | 5% | 79.4 mph | 80.5 |
SplitterFS | 3 | 4% | 82.4 mph | 83.3 |
| Date | Opp | IP | H | R | ER | BB | K | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|
| 2026-09-15 | vs Chicago White Sox | 4 | 5 | 2 | 2 | 2 | 5 | 0 | 3.67 |
| 2026-09-09 | @ Baltimore Orioles | 2 | 7 |
| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | Kansas City Royals | 1 | 0 | 1 | 1.2 | 0.00 | 0.00 | 1 | 0 | 0 | 5.40 | 0.00 |
| 2.90 |
| 1.10 |
| 50 |
| 14 |
| 10 |
| Home | 25 | 4.68 | 1.52 | 24 | 9 | 3 |
| Home | 84 | 3.43 | 1.23 | 74 | 23 | 13 |
| Away | 70 | 3.20 | 1.05 | 66 | 16 | 9 |
| Away | 12 | 8.03 | 1.78 | 11 | 6 | 1 |
| Away | 82 | 3.92 | 1.16 | 77 | 22 | 10 |
| 8 |
| 8 |
| 2 |
| 4 |
| 0 |
| 3.65 |
| 2026-09-04 | vs Detroit Tigers | 6 | 8 | 3 | 3 | 2 | 3 | 0 | 3.26 |
| 2026-08-29 | vs Kansas City Royals | 5 | 4 | 2 | 2 | 1 | 4 | 0 | 3.21 |
| 2026-08-23 | @ Colorado Rockies | 5 | 5 | 2 | 2 | 3 | 4 | 0 | 3.19 |
| 2026-08-18 | vs San Francisco Giants | 6 | 5 | 1 | 1 | 2 | 6 | 1 | 3.18 |
| 2026-08-12 | @ Detroit Tigers | 5 | 4 | 3 | 1 | 1 | 3 | 1 | 3.25 |
| 2026-08-06 | vs New York Mets | 4 | 7 | 5 | 5 | 2 | 6 | 2 | 3.31 |
| 2026-07-31 | @ Atlanta Braves | 5 | 9 | 6 | 6 | 2 | 3 | 2 | 3.06 |
| 2026-07-25 | vs Arizona Diamondbacks | 6 | 6 | 3 | 3 | 1 | 2 | 0 | 2.76 |
| 2022 |
| Kansas City Royals |
| 0 |
| 0 |
| 5 |
| 4.1 |
| 12.46 |
| 2.31 |
| 2 |
| 4 |
| 0 |
| 4.15 |
| 8.31 |
| 2022 | Toronto Blue Jays | 0 | 0 | 1 | 2.0 | 0.00 | 1.00 | 2 | 1 | 0 | 9.00 | 4.50 |
| 2022 | 0 | 0 | 6 | 6.1 | 8.53 | 1.89 | 4 | 5 | 0 | 5.68 | 7.11 |
| 2026 | Washington Nationals | 12 | 3 | 22 | 129.1 | 3.06 | 1.07 | 116 | 30 | 19 | 8.07 | 2.09 |
| 2026 | Cleveland Guardians | 3 | 2 | 8 | 37.1 | 5.79 | 1.61 | 35 | 15 | 4 | 8.44 | 3.62 |
| 2026 | 15 | 5 | 30 | 166.2 | 3.67 | 1.19 | 151 | 45 | 23 | 8.15 | 2.43 |
| Career | — | 16 | 5 | 37 | 174.2 | 3.81 | 1.21 | 156 | 50 | 23 | 8.04 | 2.58 |
