MK
Baseball · MLB · P
← All playersMerrill Kelly
Arizona Diamondbacks · two-way season with official hitting and pitching lines
Compare opens a player picker · 2026 regular season · latest
ERA5.1171 ER
WHIP1.48132 H · 53 BB
Strikeouts82542 faced
Innings125.022 G · 22 GS
Record8–100 SV · 0 HLD
Pitches1,9931,250 strikes
Pitching · Season by season
| Season | Team | Age | Pos | G | GS | IP | BF | H | ER | BB | K | Pit | Str | W | L | SV | HLD | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Arizona Diamondbacks | 37 | P | 22 | 22 | 125.0 | 542 | 132 | 71 | 53 | 82 | 1,993 | 1,250 | 8 | 10 | 0 | 0 | 5.11 | 1.48 |
| 2025 | Texas Rangers | 36 | P | 32 | 32 | 184.0 | 748 | 157 | 72 | 48 | 167 | 2,833 | 1,861 | 12 | 9 | 0 | 0 | 3.52 | 1.11 |
| 2024 | Arizona Diamondbacks | 35 | P | 13 | 13 | 73.2 | 300 | 67 | 33 | 19 | 63 | 1,142 | 742 | 5 | 1 | 0 | 0 | 4.03 | 1.17 |
| 2023 | Arizona Diamondbacks | 34 | P | 30 | 30 | 177.2 | 722 | 143 | 65 | 69 | 187 | 2,803 | 1,814 | 12 | 8 | 0 | 0 | 3.29 | 1.19 |
| 2022 | Arizona Diamondbacks | 33 | P | 33 | 33 | 200.1 | 804 | 167 | 75 | 61 | 177 | 3,071 | 2,011 | 13 | 8 | 0 | 0 | 3.37 | 1.14 |
| 2021 | Arizona Diamondbacks | 32 | P | 27 | 27 | 158.0 | 667 | 163 | 78 | 41 | 130 | 2,425 | 1,611 | 7 | 11 | 0 | 0 | 4.44 | 1.29 |
| 2020 | Arizona Diamondbacks | 31 | P | 5 | 5 | 31.1 | 125 | 26 | 9 | 5 | 29 | 473 | 308 | 3 | 2 | 0 | 0 | 2.59 | 0.99 |
| 2019 | Arizona Diamondbacks | 30 | P | 32 | 32 | 183.1 | 777 | 184 | 90 | 57 | 158 | 2,962 | 1,898 | 13 | 14 | 0 | 0 | 4.42 | 1.31 |
| Career | 8 SSN | — | — | 194 | 194 | 1,133.1 | 4,685 | 1,039 | 493 | 353 | 993 | 17,702 | 11,495 | 73 | 63 | 0 | 0 | — | — |
Newest first, with the highlighted row the one the season picker is showing. The career row sums the counting columns and leaves every rate blank.
Pitching · 2026 stat line
Workload
Games22
Starts22
Innings125.0
Batters faced542
Pitches1,993
Strikes1,250
Outcomes
Hits allowed132
Earned runs71
Walks53
Strikeouts82
Wins8
Losses10
Saves0
Holds0
Rates
ERA5.11
WHIP1.48
K per 95.9
BB per 93.8
Official pitching totals and rates for the selected season. A dash means that field is unavailable, not zero.
Hitting · Season by season
| Season | Team | Age | Pos | G | GS | PA | AB | H | 2B | 3B | HR | TB | R | RBI | BB | K | SB | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Arizona Diamondbacks | 37 | P | 20 | — | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
| 2021 | Arizona Diamondbacks | 32 | P | 27 | — | 58 | 47 | 3 | 1 | 0 | 0 | 4 | 1 | 1 | 4 | 27 | 0 | .064 | .137 | .085 | .222 |
| 2019 | Arizona Diamondbacks | 30 | P | 32 | — | 60 | 52 | 1 | 0 | 0 | 0 | 1 | 3 | 2 | 2 | 25 | 0 | .019 | .056 | .019 | .075 |
| Career | 3 SSN | — | — | 79 | — | 118 | 99 | 4 | 1 | 0 | 0 | 5 | 4 | 3 | 6 | 52 | 0 | — | — | — | — |
Newest first, with the highlighted row the one the season picker is showing. The career row sums the counting columns and leaves every rate blank.
Hitting · 2026 stat line
Playing time
Games20
Starts—
Plate appearances0
At-bats0
Production
Hits0
Doubles0
Triples0
Home runs0
Total bases0
Runs0
RBI0
Stolen bases0
Discipline and rates
Walks0
Strikeouts0
AVG.000
OBP.000
SLG.000
OPS.000
Official hitting totals and rates for the selected season. A dash means that field is unavailable, not zero.