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

9-12W-LTied-32nd

5.08ERA53rd

95KTied-101st

1.48WHIP54th

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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vs Philadelphia Phillies

August 31, 2026 · 9:40 PM

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Season, Postseason & Career

Split	GP	GS	CG	IP	H	R	ER	HR	BB	K
Regular Season	25	25	1	141.2	146	83	80	26	64	95
Projected	29	29	1	165.2	171	97	94	31	75	112
Career	197	197	1	1150.0	1053	531	502	156	364	1006

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	25	25	9	12	.429	0.0	5.08	1.48	141.2	95	64	1.5	146	83	80
Career	197	197	74	65	.532	--	3.93	1.23	1150.0	1006	364	2.8	1053	531	502

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	2278	616	3.698	.270	.347	.475	.823	25	4	26	257	78	3	2	5	2
Career	17987	4759	3.780	.243	.303	.411	.714	221	21	156	1784	488	20	13	20	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	91.1	16.1	6.0	8	1	46.6	190	263	0.7	1	0	12	4	91.0
Career	91.3	15.6	7.9	96	1	0.0	1474	1891	0.8	16	9	74	23	830.0

Game Log

Game	Result	IP	H	R	ER	HR	BB	K	GB	FB	P	TBF	GSC	Dec	Rel	ERA
@ 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