Merrill Kelly stats
DiamondbacksBio
- Age
- 38 yearsOct 14, 1988
- Height
- 6' 2"
- Weight
- 210 lbs
Merrill Kelly recorded 10 wins, a 4.94 ERA and 113 strikeouts in 29 games of 2026 for the Arizona Diamondbacks. Last game: .
Stats
Standard
Diamondbacks- GP
- 29
- W · 41st
- 10
- L
- 14
- ERA
- 4.94
- IP · 44th
- 162.0
- K
- 113
- BB
- 70
- WHIP
- 1.46
Ranked among MLB players who qualify (W, IP, K: 10+ games; ERA, WHIP: 100+ IP) that season; only the top 50 are shown. How each stat qualifies: glossary.
| GP: Games the player appeared in, however briefly. | W: Games in which this pitcher was credited with the win. | L: Games in which this pitcher was charged with the loss. | ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent. | IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | K: Batters this pitcher struck out. | BB: Times the batter reached first base on four balls. | WHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite. | ||
|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | 32 | 13 | 14 | 4.42 | 183.1 | 158 | 57 | 1.31 |
| 2020 | ARI | 5 | 3 | 2 | 2.59 | 31.1 | 29 | 5 | 0.99 |
| 2021 | ARI | 27 | 7 | 11 | 4.44 | 158.0 | 130 | 41 | 1.29 |
| 2022 | ARI | 33 | 13 | 8 | 3.37 | 200.1 | 177 | 61 | 1.14 |
| 2023 | ARI | 30 | 12 | 8 | 3.29 | 177.2 | 187 | 69 | 1.19 |
| 2024 | ARI | 13 | 5 | 1 | 4.03 | 73.2 | 63 | 19 | 1.17 |
| 2025 |  ARI/TEX | 32 | 12 | 9 | 3.52 | 184.0 | 167 | 48 | 1.11 |
| 2026 | ARI | 29 | 10 | 14 | 4.94 | 162.0 | 113 | 70 | 1.46 |
Career regular season
- GP
- 201
- W
- 75
- L
- 67
- ERA
- 3.93
- IP
- 1,170.1
- K
- 1,024
- BB
- 370
- WHIP
- 1.23
Career Postseason
- GP
- 4
- W
- 3
- L
- 1
- ERA
- 2.25
- IP
- 24.0
- K
- 28
- BB
- 8
- WHIP
- 0.83
Expanded
- QS
- 9
- CG · 1st
- 1
- SHO
- 0
- K/9
- 6.3
- GB
- 214
- FB
- 302
- G/F
- 0.70
- WP
- 1
Ranked among MLB players who qualify (QS, CG, SHO: 10+ GS; K/9: 100+ IP; G/F: 50+ IP) that season; only the top 50 are shown. How each stat qualifies: glossary.
| QS: Quality starts: six innings or more with no more than three earned runs. | CG: Complete games, pitched from the first out to the last. | SHO: Shutouts — complete games with no run allowed. | K/9: Strikeouts for every nine innings pitched. | GB: Ground balls hit against this pitcher. | FB: Fly balls hit against this pitcher. | G/F: Ground balls for every fly ball hit against this pitcher. | WP: Wild pitches — throws the catcher had no chance to stop. | ||
|---|---|---|---|---|---|---|---|---|---|
| 2019 | ARI | 15 | 0 | 0 | 7.8 | 241 | 317 | 0.8 | 4 |
| 2020 | ARI | 4 | 0 | 0 | 8.3 | 41 | 49 | 0.8 | 0 |
| 2021 | ARI | 10 | 0 | 0 | 7.4 | 220 | 272 | 0.8 | 2 |
| 2022 | ARI | 18 | 0 | 0 | 8.0 | 247 | 317 | 0.8 | 4 |
| 2023 | ARI | 18 | 0 | 0 | 9.5 | 211 | 251 | 0.8 | 3 |
| 2024 | ARI | 5 | 0 | 0 | 7.7 | 92 | 123 | 0.7 | 1 |
| 2025 | ARI/TEX | 18 | 0 | 0 | 8.2 | 232 | 299 | 0.8 | 1 |
| 2026 | ARI | 9 | 1, led the MLB | 0 | 6.3 | 214 | 302 | 0.7 | 1 |
What the columns mean: QS · CG · SHO · K/9 · G/F · WP
Bold marks the best figure in the MLB that season, among players with at least 30 games.
Career regular season
- QS
- 97
- CG
- 1
- SHO
- 0
- K/9
- 7.9
- GB
- 1,498
- FB
- 1,930
- G/F
- 0.80
- WP
- 16
Bio
- Age
- 38 yearsOct 14, 1988
- Height
- 6' 2"
- Weight
- 210 lbs
- Experience
- 8 yearsDebut 2019
- Birthplace
- Houston, TX
- Draft
- 2010Rd 8, Pk 251
- College
- Arizona State
Latest performance
Merrill Kelly
Sep 23 · @ COL · W 5-3
- IP
- 5.1
- H
- 4
- R
- 2
- ER
- 2
- BB
- 1
- K
- 2
- HR
- 0
- ERA
- 4.94
Games
All games| Date | Opponent | IP | H | R | ER | K |
|---|---|---|---|---|---|---|
| Wed, Sep 23 | at COLW 5-3 | 5.1 | 4 | 2 | 2 | 2 |
| Wed, Sep 16 | vs MIAL 4-3 | 4.2 | 7 | 4 | 3 | 9 |
| Fri, Sep 11 | vsTEXW 9-1 | 4.1 | 2 | 1 | 1 | 3 |
| Fri, Sep 04 | at HOUL 3-1 | 6 | 7 | 3 | 3 | 4 |
| Sat, Aug 29 | at SFW 7-1 | 7 | 2 | 0 | 0 | 7 |
| Mon, Aug 24 | vs CHCL 7-0 | 5.2 | 5 | 3 | 3 | 4 |
What are Merrill Kelly's career stats?
Merrill Kelly has played 8 seasons for the Diamondbacks. He has 75 wins and 1,024 strikeouts with a 3.93 ERA over 1,170.1 innings. His best season so far is 2019: 13 wins, a 4.42 ERA and 158 strikeouts.
Best single games
- Strikeouts (Pitching): 12 @ LAD on May 20, 2021, L 3-2
Regular season only, from MLB game logs since 2019.
More on Merrill Kelly
Playoff series
Merrill Kelly played 4 games across 1 MLB postseason in 3 series — 2 won, 1 lost.
| IP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs. | H: Times the batter reached base by hitting the ball, without help from an error. | ER: Earned runs allowed — runs that scored without help from an error. | K: Batters this pitcher struck out. | ||||
|---|---|---|---|---|---|---|---|
| 2023 |  LAD | Won 1-0 | 1 | 6.1 | 3 | 0 | 5 |
| 2023 |  PHI | Lost 1-1 | 2 | 10.2 | 6 | 5 | 14 |
| 2023 | TEX | Won 1-0 | 1 | 7.0 | 3 | 1 | 9 |
Merrill Kelly’s playoff series, round by round
Totals, from MLB game logs since the 2001 postseason — earlier series are not counted.
Merrill Kelly against each club
- vs San Francisco Giants (24)
- vs Colorado Rockies (20)
- vs Los Angeles Dodgers (19)
- vs San Diego Padres (19)
- vs Milwaukee Brewers (12)
- vs Chicago Cubs (10)
- vs St. Louis Cardinals (10)
- vs Miami Marlins (9)
- vs Philadelphia Phillies (8)
- vs New York Mets (7)
- vs Atlanta Braves (6)
- vs Pittsburgh Pirates (6)
- vs Cincinnati Reds (5)
- vs Houston Astros (5)
- vs Washington Nationals (5)
- vs Athletics (4)
- vs Boston Red Sox (4)
- vs New York Yankees (4)
- vs Seattle Mariners (4)
- vs Texas Rangers (4)
- vs Baltimore Orioles (3)
- vs Los Angeles Angels (3)
- vs Tampa Bay Rays (3)
- vs Chicago White Sox (2)
- vs Cleveland Guardians (2)
- vs Detroit Tigers (2)
- vs Minnesota Twins (2)
- vs Arizona Diamondbacks (1)
- vs Kansas City Royals (1)
- vs Toronto Blue Jays (1)
Similar players
Closest career per-game profiles to Merrill Kelly among MLB players at the same position.
- Walker BuehlerSDAlike in WHIP, Strikeouts, Wins87out of 100 on profile similarity
- Luis SeverinoATHAlike in WHIP, Wins, Strikeouts86out of 100 on profile similarity
- Alek ManoahAlike in Wins, WHIP, Innings pitched86out of 100 on profile similarity
- Michael PinedaAlike in Innings pitched, Wins, WHIP86out of 100 on profile similarity
- Julio TeheranAlike in Innings pitched, WHIP, Strikeouts85out of 100 on profile similarity
Compare Merrill Kelly with Walker Buehler, Luis Severino, Alek Manoah