50 pitchers are tied for the best ERA by a relief pitcher this season, with an ERA of 0.00. The first three are Tommy Kahnle, Josh Hader and Zach McCambley.

Interpreted as:

lowest era RP/CP this regular season

	NAME	ERA	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Tommy Kahnle T. Kahnle	0.00	2026	BOS	1	0	0		0	1	0	0	0	2.0	2	0	0	0	2	0	1	0	9	0	4.50	9.00	0.50	0.00	11.1	22.2	2.00	.333	0.00	9.00
2	Josh Hader J. Hader	0.00	2026	HOU	1	0	0		0	1	0	0	1	1.0	0	0	0	0	1	0	1	0	4	0	9.00	9.00	1.00	0.00	25.0	25.0	1.00	.000	0.00	0.00
3	Zach McCambley Z. McCambley	0.00	2026	CIN	1	0	0		0	2	0	0	0	0.2	1	0	0	0	1	0	1	1	4	0	27.00	13.50	2.00	0.00	50.0	25.0	3.00	1.000	0.00	13.50
4	Robby Ahlstrom R. Ahlstrom	0.00	2026	TEX	1	0	0		0	2	0	0	0	1.1	0	0	0	0	0	0	0	0	4	0	13.50	0.00		0.00	50.0	0.0	0.00	.000	0.00	0.00
5	Cam Booser C. Booser	0.00	2026	TBR	1	0	0		0	1	0	0	0	2.0	1	0	0	0	0	0	0	0	7	0	4.50	0.00		0.00	14.3	0.0	0.50	.167	0.00	4.50
6	TJ Shook	0.00	2026	COL	2	0	0		0	0	0	0	0	2.0	1	0	0	0	0	0	1	0	6	0	0.00	0.00		0.00	0.0	0.0	0.50	.167	0.00	4.50
7	Drew Sommers D. Sommers	0.00	2026	DET	2	0	0		0	1	0	0	0	1.0	0	0	0	0	1	0	0	0	4	0	9.00	9.00	1.00	0.00	25.0	25.0	1.00	.000	0.00	0.00
8	Cameron Weston C. Weston	0.00	2026	BAL	1	0	0		0	1	0	0	0	1.0	0	0	0	0	1	0	1	0	3	0	9.00	9.00	1.00	0.00	33.3	33.3	1.00	.000	0.00	0.00
9	Caleb Ferguson C. Ferguson	0.00	2026	CIN	4	0	0		0	7	0	0	0	6.1	3	0	0	0	0	0	1	0	23	0	9.95	0.00		0.00	30.4	0.0	0.47	.188	0.00	4.26
10	A.J. Minter	0.00	2026	NYM	4	0	1	.000	0	6	0	0	0	3.1	3	0	1	0	1	0	3	0	13	0	16.20	2.70	6.00	0.00	46.2	7.7	1.20	.500	2.70	8.10
11	Sam Haggerty S. Haggerty	0.00	2026	TEX	1	0	0		0	0	0	0	0	1.0	0	0	0	0	0	1	1	0	3	0	0.00	0.00		0.00	0.0	0.0	0.00	.000	0.00	0.00
12	Logan Allen L. Allen	0.00	2026	CLE	1	0	0		0	7	0	0	0	4.0	5	0	2	0	1	0	1	0	19	0	15.75	2.25	7.00	0.00	36.8	5.3	1.50	.455	4.50	11.25
13	Welinton Herrera W. Herrera	0.00	2026	COL	3	0	0		0	2	0	0	0	2.1	2	0	0	0	1	0	1	0	10	0	7.71	3.86	2.00	0.00	20.0	10.0	1.29	.286	0.00	7.71
14	Tanner Andrews T. Andrews	0.00	2026	TOR	2	0	0		0	1	0	0	0	3.0	1	0	0	0	2	0	2	0	11	0	3.00	6.00	0.50	0.00	9.1	18.2	1.00	.125	0.00	3.00
15	Jonathan Pintaro J. Pintaro	0.00	2026	NYM	2	0	0		0	3	0	0	0	3.2	0	0	0	0	1	0	1	0	12	0	7.36	2.45	3.00	0.00	25.0	8.3	0.27	.000	0.00	0.00
16	Victor Mederos V. Mederos	0.00	2026	ATL	1	0	0		0	0	0	0	0	2.0	0	0	0	0	1	0	1	0	6	0	0.00	4.50	0.00	0.00	0.0	16.7	0.50	.000	0.00	0.00
17	Javier Sanoja J. Sanoja	0.00	2026	MIA	2	0	0		0	1	0	0	0	2.0	1	0	0	0	0	0	2	0	7	0	4.50	0.00		0.00	14.3	0.0	0.50	.167	0.00	4.50
18	Yovanny Cruz Y. Cruz	0.00	2026	NYY	2	0	0		0	3	0	0	0	2.1	1	0	0	0	0	1	1	0	9	0	11.57	0.00		0.00	33.3	0.0	0.43	.200	0.00	3.86
19	Daniel Duarte D. Duarte	0.00	2026	NYM	1	0	0		0	1	0	0	0	2.1	1	0	0	0	0	0	1	0	7	0	3.86	0.00		0.00	14.3	0.0	0.43	.167	0.00	3.86
20	Kumar Rocker K. Rocker	0.00	2026	TEX	1	1	0	1.000	0	7	0	0	0	7.2	3	0	0	0	3	0	0	0	28	0	8.22	3.52	2.33	0.00	25.0	10.7	0.78	.167	0.00	3.52
21	Ty Blach T. Blach	0.00	2026	CHC	1	0	0		0	2	0	0	0	3.0	1	0	0	0	0	0	1	0	9	0	6.00	0.00		0.00	22.2	0.0	0.33	.143	0.00	3.00
22	Jorge Mateo J. Mateo	0.00	2026	ATL	1	0	0		0	0	0	0	0	1.0	1	0	0	0	0	0	1	0	4	0	0.00	0.00		0.00	0.0	0.0	1.00	.250	0.00	9.00
23	Simeon Woods Richardson S. Woods Richardson	0.00	2026	MIN	2	0	0		0	2	0	0	0	3.0	2	0	0	0	2	0	1	0	13	0	6.00	6.00	1.00	0.00	15.4	15.4	1.33	.222	0.00	6.00
24	Carlos Cortes C. Cortes	0.00	2026	ATH	1	0	0		0	0	0	0	0	1.0	1	0	0	0	1	0	1	0	5	0	0.00	9.00	0.00	0.00	0.0	20.0	2.00	.250	0.00	9.00
25	Chayce McDermott C. McDermott	0.00	2026	LAD	1	0	0		0	1	0	0	0	1.0	1	0	0	0	0	0	1	0	4	0	9.00	0.00		0.00	25.0	0.0	1.00	.333	0.00	9.00

Unlock 2x data

StatMuse has game-level data for ERA going back to the 1901 season.

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

More MLB News

Brewers relievers DL Hall and Grant Anderson leave with injuries during 12-9 loss to Giants

Jun 4, 2026

Astros shake up roster: LaMonte Wade Jr. signed, Collin Price gets first MLB call-up

Jun 4, 2026

Schmitt homers on game's first pitch, Haase hit slam and Giants beat Brewers 12-9

Jun 4, 2026

Arizona Diamondbacks option right-hander Brandon Pfaadt to Triple-A Reno

Jun 4, 2026

Orioles score 6 runs in the 1st inning to beat the Red Sox 8-2

Jun 4, 2026

McMahon hits go-ahead RBI single in 7th as Yankees beat Guardians 2-1 to avoid 3-game sweep

Jun 4, 2026

More Red Sox Stats

Team Batting Leaders

12

Contreras

RBI

35

Contreras

AVG

.295

Contreras

Team Pitching Leaders

6

Gray

63

Early

ERA

2.28

Tolle

Team Rankings

29th

243

27th

520

14th

ERA

3.85

9th

2026 Division Standings

TEAM	W	L	PCT	GB
Rays	36	23	.610
Yankees	37	25	.597	0.5
Orioles	30	33	.476	8.0
Blue Jays	29	33	.468	8.5
Red Sox	26	35	.426	11.0

Schedule

DATE	MATCHUP			TIME (ET)
Fri 6/5	BOS	@	NYY	7:05 PM
Sat 6/6	BOS	@	NYY	7:35 PM
Sun 6/7	BOS	@	NYY	1:35 PM
Mon 6/8	BOS	@	TBR	6:40 PM
Tue 6/9	BOS	@	TBR	6:40 PM

Last Game

Orioles

30 - 33

Final

Red Sox

26 - 35

Thu 4 Jun 2026

MLB 2026 Batting Leaders

HR Leaders

23

Schwarber

21

Alvarez

20

Murakami

RBI Leaders

51

Pages

47

Abrams

46

Hicks

Batting Average Leaders

.336

Lopez

.333

Marsh

.325

Arraez

Hit Leaders

82

Lopez

76

Arraez

73

Edwards

Run Leaders

53

Wood

47

Trout

46

Rice

OBP Leaders

.440

Kurtz

.426

Alvarez

.420

Ohtani

SLG Leaders

.649

Alvarez

.638

Rice

.592

Schwarber

SB Leaders

22

Ramírez

22

Nuñez

20

Cruz

MLB 2026 Pitching Leaders

Win Leaders

9

Williams

9

Ashby

8

Sale

Strikeout Leaders

108

Misiorowski

103

Sánchez

94

Williams

ERA Leaders

1.46

Sánchez

1.65

Misiorowski

1.89

Schlittler

WHIP Leaders

0.79

Misiorowski

0.86

Schlittler

0.91

Skenes

K/9 Leaders

13.69

Misiorowski

13.35

Cease

10.86

deGrom

K/BB Leaders

6.46

Schlittler

6.31

Skenes

6.06

Sánchez

Walk Leaders

12

Rasmussen

13

Skenes

13

Schlittler

MLB Fantasy 2026

FanDuel Points Leaders

1,206.7

Ohtani

909.1

Wood

864.2

Alvarez

DraftKings Points Leaders

832.1

Ohtani

675

Wood

649

Alvarez

MLB 2026 Betting

Best Record ATS

39-23

39-24

37-24

36-24

35-25

36-26

Worst Record ATS

20-42

24-39

24-38

26-37

26-36

26-35

MLB 2026 Standings

NL East	W	L	PCT	GB
Braves	42	20	.677
Phillies	33	29	.532	9.0
Nationals	31	32	.492	11.5
Marlins	29	34	.460	13.5
Mets	27	35	.435	15.0
NL Central	W	L	PCT	GB
Brewers	37	23	.617
Cardinals	32	28	.533	5.0
Pirates	33	29	.532	5.0
Cubs	32	30	.516	6.0
Reds	31	30	.508	6.5
NL West	W	L	PCT	GB
Dodgers	40	22	.645
Diamondbacks	32	29	.525	7.5
Padres	32	29	.525	7.5
Giants	25	38	.397	15.5
Rockies	24	39	.381	16.5

AL East	W	L	PCT	GB
Rays	36	23	.610
Yankees	37	25	.597	0.5
Orioles	30	33	.476	8.0
Blue Jays	29	33	.468	8.5
Red Sox	26	35	.426	11.0
AL Central	W	L	PCT	GB
Guardians	36	28	.563
White Sox	33	29	.532	2.0
Twins	29	34	.460	6.5
Tigers	25	38	.397	10.5
Royals	24	38	.387	11.0
AL West	W	L	PCT	GB
Mariners	33	30	.524
Athletics	30	31	.492	2.0
Rangers	30	32	.484	2.5
Astros	28	35	.444	5.0
Angels	24	39	.381	9.0

MLB 2026 Scores & Schedule

Scores

DATE	MATCHUP			SCORE
Wed 5/20	CIN	@	PHI	9-4
Wed 5/20	BAL	@	TBR	3-5
Wed 5/20	TEX	@	COL	5-4
Wed 5/20	SFG	@	AZ	3-6
Wed 5/20	CWS	@	SEA	4-5

Schedule

DATE	MATCHUP			TIME (ET)
Thu 6/4	KCR	@	MIN	7:40 PM
Thu 6/4	ATH	@	CHC	8:05 PM
Thu 6/4	PIT	@	HOU	8:10 PM
Thu 6/4	LAD	@	AZ	9:40 PM
Fri 6/5	SFG	@	CHC	2:20 PM

50 pitchers are tied for the best ERA by a relief pitcher this season, with an ERA of 0.00. The first three are Tommy Kahnle, Josh Hader and Zach McCambley.

Interpreted as:

Related Searches

More MLB News

More Red Sox Stats

12

35

.295

6

63

2.28

MLB 2026 Batting Leaders

23

21

20

51

47

46

.336

.333

.325

82

76

73

53

47

46

.440

.426

.420

.649

.638

.592

22

22

20

MLB 2026 Pitching Leaders

9

9

8

108

103

94

1.46

1.65

1.89

0.79

0.86

0.91

13.69

13.35

10.86

6.46

6.31

6.06

12

13

13

MLB Fantasy 2026

1,206.7

909.1

864.2

832.1

675

649

MLB 2026 Betting

MLB 2026 Standings

MLB 2026 Scores & Schedule

Scores

Schedule