| Window | G | IP | ERA | WHIP | K | BB |
|---|---|---|---|---|---|---|
| Last 7 days | 1 | 5 | 0.00 | 0.80 | 3 | 2 |
| Last 30 days | 5 | 22 | 5.24 | 1.30 | 6 | 9 |
| 2026 season | 9 | 41 | 6.10 | 1.50 | 20 | 15 |
How Zack 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 | 28 | 6.91 | 1.60 | 18 | 11 | 11 |
| In relief | 12 | 4.26 | 1.26 | 2 | 4 | 3 |
| Home | 23 | 6.08 | 1.44 | 15 | 9 | 6 |
| Away | 17 | 6.11 | 1.58 |
Last appearance · May 15 · 87 pitches
| Pitch | Count | Usage | Avg Velo | Max |
|---|---|---|---|---|
Four-Seam FastballFF | 37 | 43% | 92.2 mph | 93.9 |
SliderSL | 20 | 23% | 88.3 mph | 90.4 |
SplitterFS | 14 | 16% | 84.1 mph | 85.3 |
SinkerSI | 8 | 9% | 91.3 mph | 92.4 |
SweeperST | 8 | 9% | 79.9 mph | 81.3 |
| Date | Opp | IP | H | R | ER | BB | K | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|
| 2026-05-15 | vs Baltimore Orioles | 5 | 2 | 0 | 0 | 2 | 3 | 0 | 6.10 |
| 2026-05-09 | @ Miami Marlins | 4 | 5 | 3 | 2 |
| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | Minnesota Twins | 0 | 2 | 8 | 20.1 | 6.20 | 1.77 | 14 | 11 | 3 | 6.20 | 4.87 |
| 2019 | Minnesota Twins |
| 5 |
| 6 |
| 8 |
| 1 |
| 0 |
| 1 |
| 6.94 |
| 2026-05-03 | vs Milwaukee Brewers | 3 | 1 | 1 | 1 | 1 | 1 | 0 | 7.24 |
| 2026-04-28 | @ New York Mets | 3 | 5 | 8 | 4 | 3 | 1 | 2 | 7.85 |
| 2026-04-22 | vs Atlanta Braves | 6 | 7 | 8 | 6 | 2 | 1 | 4 | 7.56 |
| 2026-04-17 | vs San Francisco Giants | 4 | 11 | 8 | 8 | 1 | 4 | 2 | 7.11 |
| 2026-04-12 | @ Milwaukee Brewers | 5 | 6 | 3 | 3 | 0 | 3 | 3 | 4.20 |
| 2026-04-06 | vs St. Louis Cardinals | 5 | 4 | 1 | 1 | 3 | 6 | 0 | 3.60 |
| 2026-03-31 | @ Philadelphia Phillies | 5 | 6 | 3 | 3 | 2 | 1 | 2 | 5.40 |
| 6 |
| 0 |
| 29 |
| 37.0 |
| 2.68 |
| 1.16 |
| 32 |
| 9 |
| 4 |
| 7.78 |
| 2.19 |
| 2020 | Minnesota Twins | 0 | 0 | 6 | 6.1 | 9.95 | 2.37 | 3 | 3 | 5 | 4.26 | 4.26 |
| 2021 | San Francisco Giants | 4 | 0 | 63 | 61.2 | 2.92 | 1.14 | 63 | 24 | 7 | 9.19 | 3.50 |
| 2022 | San Francisco Giants | 3 | 3 | 39 | 44.1 | 5.08 | 1.38 | 39 | 13 | 8 | 7.92 | 2.64 |
| 2023 | Boston Red Sox | 0 | 0 | 2 | 3.0 | 9.00 | 2.00 | 2 | 3 | 0 | 6.00 | 9.00 |
| 2023 | Tampa Bay Rays | 3 | 6 | 26 | 87.0 | 3.93 | 1.15 | 72 | 9 | 13 | 7.45 | 0.93 |
| 2023 | 2 teams | 3 | 6 | 28 | 90.0 | 4.10 | 1.18 | 74 | 12 | 13 | 7.40 | 1.20 |
| 2024 | Tampa Bay Rays | 8 | 10 | 29 | 156.1 | 3.63 | 1.25 | 141 | 31 | 22 | 8.12 | 1.78 |
| 2025 | Tampa Bay Rays | 8 | 8 | 22 | 133.1 | 3.58 | 1.12 | 89 | 21 | 26 | 6.01 | 1.42 |
| 2025 | Cincinnati Reds | 2 | 0 | 10 | 53.1 | 4.39 | 1.07 | 41 | 11 | 10 | 6.92 | 1.86 |
| 2025 | 2 teams | 10 | 8 | 32 | 186.2 | 3.81 | 1.10 | 130 | 32 | 36 | 6.27 | 1.54 |
| 2026 | Washington Nationals | 2 | 4 | 9 | 41.1 | 6.10 | 1.50 | 20 | 15 | 14 | 4.35 | 3.27 |
| Career | — | 36 | 33 | 243 | 644.0 | 4.02 | 1.23 | 516 | 150 | 112 | 7.21 | 2.10 |
