Merrill Kelly is a pitcher for the Arizona Diamondbacks. Across 189 MLB appearances, with a 3.89 ERA and 973 strikeouts. This page covers season stats, team history, salary history, and related info.
Season-by-season performance, contract terms, and the complete archive.
| Year | Team | W | L | ERA | G | GS | SV | IP | H | ER | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | 13 | 14 | 4.42 | 32 | 32 | 0 | 183.1 | 184 | 90 | 57 | 158 | 1.31 |
| 2020 | ARI | 3 | 2 | 2.59 | 5 | 5 | 0 | 31.1 | 26 | 9 | 5 | 29 | 0.99 |
| 2021 | ARI | 7 | 11 | 4.44 | 27 | 27 | 0 | 158.0 | 163 | 78 | 41 | 130 | 1.29 |
| 2022 | ARI | 13 | 8 | 3.37 | 33 | 33 | 0 | 200.1 | 167 | 75 | 61 | 177 | 1.14 |
| 2023 | ARI | 12 | 8 | 3.29 | 30 | 30 | 0 | 177.2 | 143 | 65 | 69 | 187 | 1.19 |
| 2024 | ARI | 5 | 1 | 4.03 | 13 | 13 | 0 | 73.2 | 67 | 33 | 19 | 63 | 1.17 |
| 2025 | ARI | 9 | 6 | 3.22 | 22 | 22 | 0 | 128.2 | 98 | 46 | 38 | 121 | 1.06 |
| 2025 | TEX | 3 | 3 | 4.23 | 10 | 10 | 0 | 55.1 | 59 | 26 | 10 | 46 | 1.25 |
| 2026 | ARI | 7 | 8 | 5.20 | 17 | 15 | 0 | 98.2 | 107 | 57 | 40 | 62 | 1.49 |
| Career Totals | — | 72 | 61 | 3.89 | 189 | 187 | 0 | 1107.0 | 1014 | 479 | 340 | 973 | 1.22 |
| Year | Team | G | AB | R | H | 2B | 3B | HR | RBI | SB | BB | SO | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | 32 | 52 | 3 | 1 | 0 | 0 | 0 | 2 | 0 | 2 | 25 | .019 | .056 | .019 | .075 |
| 2020 | ARI | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2021 | ARI | 27 | 47 | 1 | 3 | 1 | 0 | 0 | 1 | 0 | 4 | 27 | .064 | .137 | .085 | .222 |
| 2022 | ARI | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2023 | ARI | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | ARI | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025 | ARI | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025 | TEX | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Career Totals | — | 172 | 99 | 4 | 4 | 1 | 0 | 0 | 3 | 0 | 6 | 52 | .040 | .095 | .051 | .146 |
| Year | Salary |
|---|---|
| 2019 | $2,000,000 |
| 2020 | $3,000,000 |
| 2021 | $4,250,000 |
| 2022 | $5,250,000 |
| 2023 | $8,500,000 |
| 2024 | $8,500,000 |
| 2025 | $7,000,000 |
| 2026 | $18,000,000 |
Career Total: $56,500,000 (8 seasons)
Average: $7,062,500
Salary data is available from 1985 onward.
TGN salary figures show base salary. Signing bonuses, accounting allocations, and luxury-tax values are listed separately where available.
Merrill Kelly's 2026 Opening Day salary with ARI is $18,000,000 on a nominal basis (no deferred component recorded).
| Date | Opp | Result | IP | H | ER | BB | K | HR |
|---|---|---|---|---|---|---|---|---|
| Jul 17 | vs STL | 4-5 L | 5.0 | 4 | 1 | 2 | 3 | 1 |
| Jul 9 | @ SD | 3-1 W | 7.0 | 3 | 1 | 3 | 6 | 1 |
| Jul 4 | vs MIL | 4-3 W | 5.0 | 8 | 2 | 2 | 6 | 1 |
| Jun 28 | @ TB | 1-5 L | 6.0 | 8 | 5 | 2 | 3 | 3 |
| Jun 22 | @ STL | 2-3 L | 6.0 | 7 | 3 | 3 | 2 | 0 |
| Jun 16 | vs LAA | 0-7 L | 5.1 | 11 | 6 | 1 | 4 | 2 |
| Jun 11 | @ MIA | 0-2 L | 6.0 | 4 | 2 | 2 | 1 | 0 |
| Jun 5 | vs WSH | 1-14 L | 5.0 | 6 | 7 | 3 | 4 | 3 |
| May 31 | @ SEA | 2-3 L | 5.1 | 8 | 2 | 2 | 2 | 2 |
| May 25 | @ SF | 6-2 W | 7.0 | 4 | 2 | 2 | 4 | 0 |