Merrill Kelly Stats, Game Log, Team, Position

Merrill Kelly | Arizona Diamondbacks

MLB Player

Merrill Kelly

Arizona Diamondbacks#29 · Starting PitcherActive

Height6' 2"Weight210 lbsAge37Experience8th Season

10-14W-LTied-41st

4.94ERA45th

113K99th

1.46WHIP45th

Player Information

PositionStarting Pitcher

Jersey#29

Date of Birth14/10/1988

BirthplaceHouston, TX

CollegeArizona State

Experience8th Season

Draft2010: Rd 8, Pk 251 (TB)

Bats / ThrowsRight/Right

MLB Debut2019

StatusActive

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@ Colorado Rockies

September 24, 2026 · 3:10 PM

Coors Field

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More Arizona Diamondbacks Players

Season, Postseason & Career

Split	GP	GS	CG	SHO	IP	H	R	ER	HR	BB	K
Regular Season	29	29	1	0	162.0	166	93	89	28	70	113
Career	201	201	1	0	1170.1	1073	541	511	158	370	1024

Pitching by Season

Season	GP	GS	W	L	W%	WAR	ERA	WHIP	IP	K	BB	K/BB	H	R	ER
2019	32	32	13	14	.481	1.4	4.42	1.31	183.1	158	57	2.8	184	95	90
2020	5	5	3	2	.600	1.4	2.59	0.99	31.1	29	5	5.8	26	9	9
2021	27	27	7	11	.389	2.4	4.44	1.29	158.0	130	41	3.2	163	82	78
2022	33	33	13	8	.619	3.5	3.37	1.14	200.1	177	61	2.9	167	77	75
2023	30	30	12	8	.600	3.9	3.29	1.19	177.2	187	69	2.7	143	71	65
2024	13	13	5	1	.833	1.0	4.03	1.17	73.2	63	19	3.3	67	35	33
2025	22	22	9	6	.600	2.9	3.22	1.06	128.2	121	38	3.2	98	53	46
2025	10	10	3	3	.500	-0.1	4.23	1.25	55.1	46	10	4.6	59	26	26
2025	32	32	12	9	.571	2.9	3.52	1.11	184.0	167	48	3.5	157	79	72
2026	29	29	10	14	.417	0.3	4.94	1.46	162.0	113	70	1.6	166	93	89
Career	201	201	75	67	.528	--	3.93	1.23	1170.1	1024	370	2.8	1073	541	511

Postseason Pitching by Season

Season	GP	GS	W	L	W%	WAR	ERA	WHIP	IP	K	BB	K/BB	H	R	ER	SV	HLD	BLSV
2023	4	4	3	1	.750	0.0	2.25	0.83	24.0	28	8	3.5	12	6	6	0	0	0
Career	4	4	3	1	.750	0.0	2.25	0.83	24.0	28	8	3.5	12	6	6	0	0	0

Opponent Batting by Season

Season	P	TBF	P-TBF	OBA	OOBP	OSLUG	OOPS	2B	3B	HR	TB	RBI	BH	SH	SF	IBB
2019	2962	777	3.812	.260	.314	.447	.761	38	4	29	317	90	2	2	5	4
2020	473	125	3.784	.218	.256	.395	.651	6	0	5	47	9	1	0	0	1
2021	2425	667	3.636	.266	.315	.433	.748	31	4	21	265	74	4	6	4	3
2022	3071	804	3.820	.226	.286	.371	.657	40	2	21	274	69	2	1	1	2
2023	2803	722	3.882	.222	.300	.371	.670	30	3	20	239	63	4	1	3	0
2024	1142	300	3.807	.242	.294	.426	.720	16	1	11	118	32	2	0	1	0
2025	2009	514	3.909	.206	.267	.358	.624	24	3	14	170	49	1	0	0	0
2025	824	234	3.521	.267	.300	.439	.739	11	0	9	97	24	1	1	1	0
2025	2833	748	3.787	.226	.277	.384	.661	35	3	23	267	73	2	1	1	0
2026	2621	704	3.723	.268	.343	.464	.807	29	4	28	287	87	4	3	7	2
Career	18330	4847	3.782	.243	.303	.411	.714	225	21	158	1814	497	21	14	22	12

Expanded Pitching by Season

Season	P/S	P/I	K/9	QS	CG	GSC	GB	FB	G/F	WP	BK	SB	CS	RSUP
2019	92.6	16.2	7.8	15	0	50.8	241	317	0.8	4	0	3	2	135.0
2020	94.6	15.1	8.3	4	0	60.0	41	49	0.8	0	0	3	0	13.0
2021	89.8	15.3	7.4	10	0	50.4	220	272	0.8	2	0	9	4	120.0
2022	93.1	15.3	8.0	18	0	56.5	247	317	0.8	4	1	15	5	138.0
2023	93.4	15.8	9.5	18	0	56.8	211	251	0.8	3	4	13	4	117.0
2024	87.8	15.5	7.7	5	0	52.7	92	123	0.7	1	2	5	2	75.0
2025	91.3	15.6	8.5	13	0	55.0	160	194	0.8	0	1	9	1	97.0
2025	82.4	14.9	7.5	5	0	55.0	72	105	0.7	1	1	5	1	44.0
2025	88.5	15.4	8.2	18	0	55.0	232	299	0.8	1	2	14	2	141.0
2026	90.4	16.2	6.3	9	1	47.1	214	302	0.7	1	0	16	4	109.0
Career	91.2	15.7	7.9	97	1	0.0	1498	1930	0.8	16	9	78	23	848.0

Game Log

Game	Result	IP	H	R	ER	HR	BB	K	GB	FB	P	TBF	GSC	Dec	Rel	ERA
@ COL2026 Regular Season	W 5-3	5.1	4	2	2	0	1	2	8	10	78	21	53.0	W(10-14)	-	4.94
vs MIA2026 Regular Season	L 4-3	4.2	7	4	3	1	2	9	3	9	91	23	43.0	L(9-14)	-	5.00
vs TEX2026 Regular Season	W 9-1	4.1	2	1	1	0	3	3	6	6	80	19	55.0	-	-	4.97
@ HOU2026 Regular Season	L 3-1	6.0	7	3	3	1	0	4	7	14	94	25	50.0	L(9-13)	-	5.06
@ SF2026 Regular Season	W 7-1	7.0	2	0	0	0	4	7	8	7	100	26	76.0	W(9-12)	-	5.08
vs CHC2026 Regular Season	L 7-0	5.2	5	3	3	0	3	4	7	11	99	25	48.0	L(8-12)	-	5.35
@ BOS2026 Regular Season	L 9-4	4.0	7	6	6	1	4	2	6	11	86	23	22.0	L(8-11)	-	5.37
vs COL2026 Regular Season	L 6-4	5.0	6	6	6	2	3	2	7	11	71	23	30.0	L(8-10)	-	5.11
vs LAD2026 Regular Season	W 4-3	5.2	2	1	1	0	4	4	8	5	80	21	61.0	-	-	4.88
@ CLE2026 Regular Season	L 5-0	5.0	8	5	5	1	4	5	8	8	96	25	32.0	L(8-9)	-	5.04
@ PIT2026 Regular Season	L 3-2 F/10	5.2	4	1	0	0	1	6	6	8	93	22	64.0	-	-	4.86
vs ATH2026 Regular Season	W 15-5	5.0	5	2	2	1	1	3	9	6	87	19	51.0	W(8-8)	-	5.12
vs STL2026 Regular Season	L 5-4	5.0	4	3	1	1	2	3	7	9	87	21	52.0	-	-	5.20
@ SD2026 Regular Season	W 3-1	7.0	3	1	1	1	3	6	8	7	94	24	70.0	W(7-8)	-	5.38
vs MIL2026 Regular SeasonWeek 27	W 4-3	5.0	8	2	2	1	2	6	7	10	92	25	47.0	W(6-8)	-	5.71
@ TB2026 Regular SeasonWeek 26	L 5-1	6.0	8	5	5	3	2	3	9	13	93	27	37.0	L(5-8)	-	5.84
@ STL2026 Regular SeasonWeek 25	L 3-2	6.0	7	3	3	0	3	2	11	10	96	26	45.0	L(5-7)	-	5.71
vs LAA2026 Regular SeasonWeek 24	L 7-0	5.1	11	6	6	2	1	4	10	12	88	27	25.0	L(5-6)	-	5.81
@ MIA2026 Regular SeasonWeek 24	L 2-0	6.0	4	2	2	0	2	1	8	12	74	23	55.0	L(5-5)	-	5.46
vs WSH2026 Regular SeasonWeek 23	L 14-1	5.0	6	7	7	3	3	4	5	12	85	25	28.0	L(5-4)	-	5.71
@ SEA2026 Regular SeasonWeek 22	L 3-2 F/10	5.1	8	2	2	2	2	2	13	8	97	27	44.0	-	-	5.06
@ SF2026 Regular SeasonWeek 21	W 6-2	7.0	4	2	2	0	2	4	6	14	96	26	63.0	W(5-3)	-	5.25
vs SF2026 Regular SeasonWeek 20	W 6-3	6.0	8	3	3	1	0	4	4	18	85	26	48.0	W(4-3)	-	5.71
@ COL2026 Regular SeasonWeek 20	W 9-1	9.0	4	1	1	1	0	3	13	15	100	31	78.0	W(3-3)	-	5.91
vs NYM2026 Regular SeasonWeek 19	W 2-1	7.0	3	1	1	0	3	6	4	13	96	26	70.0	W(2-3)	-	7.62
@ CHC2026 Regular SeasonWeek 18	L 8-4	4.1	8	6	6	1	3	5	7	9	92	24	25.0	L(1-3)	-	9.95
@ MIL2026 Regular SeasonWeek 17	L 13-2	5.0	6	5	5	1	5	1	9	9	104	24	31.0	L(1-2)	-	9.20
vs CHW2026 Regular SeasonWeek 16	L 11-5	4.1	10	8	8	3	3	5	4	14	101	26	13.0	L(1-1)	-	9.31
@ BAL2026 Regular SeasonWeek 15	W 4-3	5.1	5	2	2	1	4	3	6	11	86	24	49.0	W(1-0)	-	3.38