How Kolby 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 |
|---|---|---|---|---|---|---|
| In relief | 8 | 10.38 | 2.19 | 9 | 3 | 2 |
| Home | 2 | 9.00 | 2.00 | 2 | 1 | 1 |
| Away | 6 | 10.80 | 2.25 | 7 | 2 | 1 |
Last appearance · Apr 12 · 69 pitches
| Pitch | Count | Usage | Avg Velo | Max |
|---|---|---|---|---|
Four-Seam FastballFF | 22 | 32% | 89.2 mph | 90.7 |
CutterFC | 19 | 28% | 82.7 mph | 84.7 |
ChangeupCH | 14 | 20% | 82.1 mph | 83.6 |
CurveballCU | 10 | 14% | 71.3 mph | 72.6 |
SinkerSI | 4 | 6% | 89.2 mph | 89.9 |
| Date | Opp | IP | H | R | ER | BB | K | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|
| 2026-04-12 | @ Atlanta Braves | 3 | 8 | 5 | 5 | 1 | 1 | 0 | 10.38 |
| 2026-04-10 | @ Atlanta Braves | 1 | 3 | 2 | 2 | 0 |
| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | Atlanta Braves | 1 | 1 | 3 | 8.0 | 12.38 | 2.88 | 3 | 4 | 3 | 3.38 | 4.50 |
| 2019 | Texas Rangers |
| 1 |
| 0 |
| 7.94 |
| 2026-04-06 | vs Kansas City Royals | 2 | 3 | 2 | 2 | 1 | 2 | 1 | 5.79 |
| 2026-03-31 | @ Los Angeles Dodgers | 2 | 2 | 1 | 1 | 1 | 5 | 1 | 3.38 |
| 4 |
| 2 |
| 9 |
| 45.1 |
| 4.96 |
| 1.57 |
| 33 |
| 19 |
| 3 |
| 6.55 |
| 3.77 |
| 2020 | Texas Rangers | 0 | 6 | 11 | 33.2 | 7.75 | 1.51 | 32 | 20 | 4 | 8.55 | 5.35 |
| 2021 | Texas Rangers | 3 | 12 | 32 | 124.2 | 5.41 | 1.28 | 104 | 31 | 29 | 7.51 | 2.24 |
| 2022 | Texas Rangers | 1 | 2 | 10 | 21.0 | 7.29 | 1.29 | 19 | 6 | 9 | 8.14 | 2.57 |
| 2023 | Atlanta Braves | 0 | 1 | 4 | 12.1 | 6.57 | 1.62 | 13 | 4 | 2 | 9.49 | 2.92 |
| 2024 | Philadelphia Phillies | 2 | 0 | 7 | 27.0 | 5.00 | 1.56 | 23 | 8 | 5 | 7.67 | 2.67 |
| 2025 | Cleveland Guardians | 2 | 2 | 33 | 65.0 | 2.63 | 1.20 | 42 | 14 | 5 | 5.82 | 1.94 |
| 2026 | Cleveland Guardians | 0 | 0 | 4 | 8.2 | 10.38 | 2.19 | 9 | 3 | 2 | 9.35 | 3.12 |
| Career | — | 13 | 26 | 113 | 345.2 | 5.47 | 1.42 | 278 | 109 | 62 | 7.24 | 2.84 |
