which relief pitcher has the highest career strikeouts per nine innings

13 pitchers are tied for the best career K/9 by a relief pitcher, with 27.00 per nine innings. The first three are Jayvien Sandridge, Romy Gonzalez and Danny Valencia.

	NAME	K/9	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Jayvien Sandridge J. Sandridge	27.00	1	0	0		0	27.00	2	0	0	0	0.2	1	2	2	1	2	1	0	0	6	0	27.00	1.00	13.50	33.3	33.3	4.50		27.00	13.50
2	Romy Gonzalez R. Gonzalez	27.00	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	1	0	1	0	0.00		0.00	100.0	0.0	0.00		0.00	0.00
3	Danny Valencia D. Valencia	27.00	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	1	0	1	0	0.00		0.00	100.0	0.0	0.00		0.00	0.00
4	Jeremy Bleich J. Bleich	27.00	2	0	0		0	54.00	1	0	0	0	0.1	2	2	2	0	0	1	0	0	4	0	0.00		0.00	25.0	0.0	6.00	1.000	54.00	54.00
5	John McDonald J. McDonald	27.00	1	0	0		0	0.00	1	0	0	0	0.1	2	0	0	0	0	0	1	0	3	0	0.00		0.00	33.3	0.0	6.00	1.000	0.00	54.00
6	Tyson Brummett T. Brummett	27.00	1	0	0		0	0.00	2	0	0	0	0.2	2	0	0	0	0	0	1	0	4	0	0.00		0.00	50.0	0.0	3.00	1.000	0.00	27.00
7	Scott Sheldon S. Sheldon	27.00	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	0	0	1	0	0.00		0.00	100.0	0.0	0.00		0.00	0.00
8	Mark Whiten M. Whiten	27.00	1	0	0		0	9.00	3	0	0	0	1.0	1	1	1	0	2	1	1	0	7	0	18.00	1.50	0.00	42.9	28.6	3.00	1.000	9.00	9.00
9	Ricky Pickett R. Pickett	27.00	2	0	0		0	81.00	2	0	0	0	0.2	3	6	6	0	4	0	0	0	9	1	54.00	0.50	0.00	22.2	44.4	10.50	1.000	81.00	40.50
10	Kevin Seitzer K. Seitzer	27.00	1	0	0		0	0.00	1	0	0	0	0.1	0	0	0	0	0	0	1	0	1	0	0.00		0.00	100.0	0.0	0.00		0.00	0.00
11	Fritz Fisher F. Fisher	27.00	1	0	0		0	108.00	1	0	0	0	0.1	2	4	4	0	2	0	0	0	5	0	54.00	0.50	0.00	20.0	40.0	12.00	1.000	108.00	54.00
12	Joe Cleary J. Cleary	27.00	1	0	0		0	189.00	1	0	0	0	0.1	5	7	7	0	3	0	0		9	1	81.00	0.33	0.00	11.1	33.3	24.00	1.000	189.00	135.00
13	Jim Mosolf J. Mosolf	27.00	1	0	0		0	27.00	1	0	0	0	0.1	1	1	1	0	0	0	1		2	0	0.00		0.00	50.0	0.0	3.00	1.000	27.00	27.00
14	Chuck Nieson C. Nieson	22.50	2	0	0		0	4.50	5	0	0	0	2.0	1	1	1	1	1	0	1	0	8	0	4.50	5.00	4.50	62.5	12.5	1.00	.000	4.50	4.50
15	Will Warren W. Warren	21.60	2	0	0		0	16.20	4	0	0	0	1.2	3	3	3	1	2	0	1	0	10	0	10.80	2.00	5.40	40.0	20.0	3.00	.667	16.20	16.20
16	A.J. Burnett	21.00	5	0	1	.000	0	10.50	14	0	0	0	6.0	9	7	7	0	4	0	1	1	31	3	6.00	3.50	0.00	45.2	12.9	2.17	.692	10.50	13.50
17	Larry Biittner L. Biittner	20.25	1	0	0		0	40.50	3	0	0	0	1.1	5	6	6	3	1	0	1	0	10	0	6.75	3.00	20.25	30.0	10.0	4.50	.667	40.50	33.75
18	Ryan Nye R. Nye	19.29	3	0	0		0	27.00	5	0	0	0	2.1	10	7	7	2	0	0	2	0	17	0	0.00		7.71	29.4	0.0	4.29	.800	27.00	38.57
19	Daniel Espino D. Espino	18.00	6	0	0		0	4.50	12	0	0	0	6.0	5	3	3	1	4	0	2	0	27	0	6.00	3.00	1.50	44.4	14.8	1.50	.400	4.50	7.50
20	Roki Sasaki R. Sasaki	18.00	2	0	0		0	0.00	4	0	0	0	2.0	1	0	0	0	0	0	0	0	7	0	0.00		0.00	57.1	0.0	0.50	.333	0.00	4.50
21	CC Sabathia	18.00	1	0	0		0	0.00	2	0	0	0	1.0	0	0	0	0	0	0	0	0	3	0	0.00		0.00	66.7	0.0	0.00	.000	0.00	0.00
22	Aaron Altherr A. Altherr	18.00	1	0	0		0	9.00	2	0	0	0	1.0	2	1	1	0	0	0	1	0	5	0	0.00		0.00	40.0	0.0	2.00	.667	9.00	18.00
23	Adam McCreery A. McCreery	18.00	1	0	0		0	18.00	2	0	0	0	1.0	4	2	2	0	0	0	1	0	7	0	0.00		0.00	28.6	0.0	4.00	.800	18.00	36.00
24	Tony Saunders T. Saunders	18.00	1	0	0		0	0.00	2	0	0	0	1.0	0	0	0	0	1	0	0	0	4	0	9.00	2.00	0.00	50.0	25.0	1.00	.000	0.00	0.00
25	Mike Anderson M. Anderson	18.00	1	0	0		0	0.00	2	0	0	0	1.0	2	0	0	0	0	0	1	0	5	0	0.00		0.00	40.0	0.0	2.00	.667	0.00	18.00

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Some of the information used here was obtained free of charge from Retrosheet.

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DATE	MATCHUP			TIME (ET)
Sun 8/9	ATL	@	NYY	1:35 PM
Tue 8/11	SEA	@	NYY	7:05 PM
Wed 8/12	SEA	@	NYY	7:05 PM
Thu 8/13	SEA	@	NYY	1:35 PM
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NL East	W	L	PCT	GB
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Nationals	58	61	.487	13.0
Mets	51	67	.432	19.5
NL Central	W	L	PCT	GB
Brewers	73	44	.624
Cubs	68	50	.576	5.5
Cardinals	58	59	.496	15.0
Pirates	58	61	.487	16.0
Reds	56	60	.483	16.5
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Dodgers	70	47	.598
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Red Sox	64	52	.552	6.0
Orioles	56	61	.479	14.5
Blue Jays	56	62	.475	15.0
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White Sox	60	56	.517
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Angels	45	72	.385	14.5

MLB 2026 Scores & Schedule

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DATE	MATCHUP			SCORE
Sat 7/25	KCR	@	DET	3-2
Sat 7/25	SDP	@	MIA	7-2
Sat 7/25	NYY	@	PHI	3-1
Sat 7/25	CLE	@	TBR	0-3
Sat 7/25	COL	@	MIL	5-8

Schedule

DATE	MATCHUP			TIME (ET)
Sun 8/9	CIN	@	WSH	12:15 PM
Sun 8/9	ATL	@	NYY	1:35 PM
Sun 8/9	ATH	@	BOS	1:35 PM
Sun 8/9	TOR	@	PHI	1:35 PM
Sun 8/9	NYM	@	PIT	1:35 PM

13 pitchers are tied for the best career K/9 by a relief pitcher, with 27.00 per nine innings. The first three are Jayvien Sandridge, Romy Gonzalez and Danny Valencia.

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