Background
Career
College
Arizona State
Draft
2010 Rd 8, #251
Active
2019–Present
Arizona Diamondbacks2019-present
Texas Rangers2025*-2025
MLB · Career
Career Statistics
| Season | Team | GP | GS | W | L | W% | WAR | ERA | WHIP | IP | K | BB | K/BB | H | R | ER | SV | HLD | BLSV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | 32 | 32 | 13 | 14 | .481 | 1.4 | 4.42 | 1.31 | 183.1 | 158 | 57 | 2.8 | 184 | 95 | 90 | 0 | 0 | 0 |
| 2020 | ARI | 5 | 5 | 3 | 2 | .600 | 1.4 | 2.59 | 0.99 | 31.1 | 29 | 5 | 5.8 | 26 | 9 | 9 | 0 | 0 | 0 |
| 2021 | ARI | 27 | 27 | 7 | 11 | .389 | 2.4 | 4.44 | 1.29 | 158.0 | 130 | 41 | 3.2 | 163 | 82 | 78 | 0 | 0 | 0 |
| 2022 | ARI | 33 | 33 | 13 | 8 | .619 | 3.5 | 3.37 | 1.14 | 200.1 | 177 | 61 | 2.9 | 167 | 77 | 75 | 0 | 0 | 0 |
| 2023 | ARI | 30 | 30 | 12 | 8 | .600 | 3.9 | 3.29 | 1.19 | 177.2 | 187 | 69 | 2.7 | 143 | 71 | 65 | 0 | 0 | 0 |
| 2024 | ARI | 13 | 13 | 5 | 1 | .833 | 1.0 | 4.03 | 1.17 | 73.2 | 63 | 19 | 3.3 | 67 | 35 | 33 | 0 | 0 | 0 |
| 2025 | ARI | 22 | 22 | 9 | 6 | .600 | 2.9 | 3.22 | 1.06 | 128.2 | 121 | 38 | 3.2 | 98 | 53 | 46 | 0 | 0 | 0 |
| 2025 | TEX | 10 | 10 | 3 | 3 | .500 | -0.1 | 4.23 | 1.25 | 55.1 | 46 | 10 | 4.6 | 59 | 26 | 26 | 0 | 0 | 0 |
| 2025 | — | 32 | 32 | 12 | 9 | .571 | 2.9 | 3.52 | 1.11 | 184.0 | 167 | 48 | 3.5 | 157 | 79 | 72 | 0 | 0 | 0 |
| 2026 | ARI | 15 | 15 | 6 | 8 | .429 | -0.4 | 5.71 | 1.56 | 86.2 | 53 | 35 | 1.5 | 100 | 55 | 55 | 0 | 0 | 0 |
| Career | 187 | 187 | 71 | 61 | .538 | -- | 3.92 | 1.23 | 1095.0 | 964 | 335 | 2.9 | 1007 | 503 | 477 | 0 | 0 | 0 |
Stats via ESPN · MLB career statistics · Through 2026
Career
Career Milestones
- 200+ Innings Pitched (2022)
Profile
Tags
Played for Arizona DiamondbacksPlayed for Texas RangersNL West150+ Hits Season
Daily
Test Your Knowledge
Think you know Merrill Kelly? Play today's MLB puzzles.
Related
Similar Players
Josh Reddick
OF — Arizona Diamondbacks
Bryan Holaday
C — Arizona Diamondbacks
Eduardo Rodriguez
SP — Arizona Diamondbacks
Madison Bumgarner
SP — Arizona Diamondbacks
Andrew Hoffmann
RP — Arizona Diamondbacks
Corbin Carroll
RF — Arizona Diamondbacks
Paul Sewald
RP — Arizona Diamondbacks
Jonathan Loaisiga
RP — Arizona Diamondbacks