highest k/9 among relief pitchers in history

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

Showing:

Regular season

	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	Eury Pérez E. Pérez	27.00	1	0	0		0	0.00	3	0	0	0	1.0	0	0	0	0	0	0	0	0	3	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	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
4	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
5	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
6	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
7	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
8	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
9	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
10	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
11	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
12	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
13	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
14	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
15	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
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	Alexander Cornielle A. Cornielle	18.00	1	0	0		0	18.00	2	0	0	0	1.0	3	2	2	1	1	0	1	0	7	0	9.00	2.00	9.00	28.6	14.3	4.00	.667	18.00	27.00
20	Roki Sasaki R. Sasaki	18.00	5	0	0		0	0.00	10	0	0	0	5.0	3	0	0	0	0	0	0	0	18	0	0.00		0.00	55.6	0.0	0.60	.375	0.00	5.40
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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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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More Marlins Stats

Team Batting Leaders

25

Hernández

RBI

71

Lopez

AVG

.305

Lopez

Team Pitching Leaders

13

Alcantara

170

Pérez

ERA

2.68

Meyer

Team Rankings

168

23rd

715

18th

1,323

18th

ERA

4.09

13th

2026 Division Standings

TEAM	W	L	PCT	GB
Braves	94	68	.580
Phillies	88	74	.543	6.0
Marlins	80	82	.494	14.0
Nationals	77	85	.475	17.0
Mets	74	88	.457	20.0

Last Game

Braves

94 - 68

Final

Marlins

80 - 82

Sun 27 Sep 2026

MLB 2026 Batting Leaders

Playoffs HR Leaders

2

Rice

1

Murakami

1

Peña

Playoffs RBI Leaders

6

Rice

4

Wells

4

Bellinger

Playoffs Batting Average Leaders

1.000

Bailey

1.000

Taylor

1.000

Sheets

Playoffs Hit Leaders

5

Rice

5

Harris

4

Merrill

Playoffs Run Leaders

3

Murakami

3

Rice

3

Harris

Playoffs OBP Leaders

1.000

Bailey

1.000

Taylor

1.000

Sheets

Playoffs SLG Leaders

4.000

Sheets

1.333

Rice

1.333

Velázquez

Playoffs SB Leaders

2

Chisholm

2

Acuña

2

Acuña

MLB 2026 Pitching Leaders

Playoffs Win Leaders

1

Schlittler

1

King

1

Fried

Playoffs Strikeout Leaders

12

Sale

11

Taylor

10

Schlittler

Playoffs ERA Leaders

0.00

Schlittler

0.00

Suarez

0.00

Miller

Playoffs WHIP Leaders

0.00

Smith

0.00

Chapman

0.00

VanWey

Playoffs K/9 Leaders

27.00

Brown

27.00

Chapman

27.00

King

Playoffs K/BB Leaders

12.00

Sale

11.00

Taylor

10.00

Schlittler

Playoffs Walk Leaders

0

Suarez

0

Warren

0

Miller

MLB Fantasy 2026

Playoffs FanDuel Points Leaders

69.6

Rice

59

Schlittler

56.1

Albies

Playoffs DraftKings Points Leaders

51

Rice

41

Albies

36.5

Schlittler

MLB 2026 Betting

Best Record ATS

96-69

94-70

91-71

88-74

87-75

85-76

Worst Record ATS

60-102

69-96

69-93

75-87

76-88

MLB 2026 Standings

NL East	W	L	PCT	GB
Braves - y	94	68	.580
Phillies - w	88	74	.543	6.0
Marlins	80	82	.494	14.0
Nationals	77	85	.475	17.0
Mets	74	88	.457	20.0
NL Central	W	L	PCT	GB
Brewers - y	103	59	.636
Cubs - w	89	73	.549	14.0
Pirates	82	80	.506	21.0
Cardinals	77	85	.475	26.0
Reds	75	87	.463	28.0
NL West	W	L	PCT	GB
Dodgers - y	100	62	.617
Padres - w	91	71	.562	9.0
Diamondbacks	86	76	.531	14.0
Giants	65	97	.401	35.0
Rockies	58	104	.358	42.0

AL East	W	L	PCT	GB
Rays - y	98	64	.605
Yankees - w	93	68	.578	4.5
Red Sox - w	87	75	.537	11.0
Orioles	79	82	.491	18.5
Blue Jays	79	83	.488	19.0
AL Central	W	L	PCT	GB
Guardians - y	85	77	.525
White Sox - w	84	78	.519	1.0
Twins	77	85	.475	8.0
Tigers	76	86	.469	9.0
Royals	69	93	.426	16.0
AL West	W	L	PCT	GB
Astros - y	81	81	.500
Rangers	80	82	.494	1.0
Mariners	76	86	.469	5.0
Athletics	64	98	.395	17.0
Angels	62	100	.383	19.0