highest k/9 by a qualified reliever since 1961

Since 1961, 13 pitchers are tied for the highest K/9 by a relief pitcher, with 27.00 per nine innings. The first three are Gavin Collyer, Jayvien Sandridge and Will Warren.

	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	Gavin Collyer G. Collyer	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
2	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
3	Will Warren W. Warren	27.00	1	0	0		0	27.00	3	0	0	0	1.0	2	3	3	1	1	0	1	0	6	0	9.00	3.00	9.00	50.0	16.7	3.00	1.000	27.00	18.00
4	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
5	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
6	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
7	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
8	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
9	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
10	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
11	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
12	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
13	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
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	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
16	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
17	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
18	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
19	Nolan Hoffman N. Hoffman	18.00	1	0	0		0	27.00	2	0	0	0	1.0	3	3	3	0	1	0	1	0	7	1	9.00	2.00	0.00	28.6	14.3	4.00	.750	27.00	27.00
20	Doug Nikhazy D. Nikhazy	18.00	1	0	0		0	0.00	2	0	0	0	1.0	0	0	0	0	0	0	1	0	3	0	0.00		0.00	66.7	0.0	0.00	.000	0.00	0.00
21	Logan Allen L. Allen	18.00	1	1	0	1.000	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	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
23	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
24	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
25	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

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StatMuse has game-level data for K/9 going back to the 1901 season.

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

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