worst starting pitcher era last 30 days with at least 10 innings pitched

Between May 29, 2025 and June 28, 2025, Walker Buehler has the highest ERA by a starting pitcher when pitching at least 10 innings, with an ERA of 10.64.

NAME ERA IP G W L W% GS SO CG SHO SV 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 Walker Buehler
W. Buehler
10.64
22.0
5
1
3
.250
5
20
0
0
0
34
26
28
7
16
4
0
0
118
0
8.18
6.55
1.25
2.86
16.9
13.6
2.27
.380
11.45
13.91
2 Brandon Pfaadt
B. Pfaadt
9.39
23.0
6
1
2
.333
6
23
0
0
0
36
24
25
4
6
5
0
0
116
1
9.00
2.35
3.83
1.57
19.8
5.2
1.83
.410
9.78
14.09
3 Jesús Luzardo
J. Luzardo
8.58
28.1
6
2
4
.333
6
34
0
0
0
42
27
27
4
13
0
0
0
135
1
10.80
4.13
2.62
1.27
25.2
9.6
1.94
.452
8.58
13.34
4 Bailey Ober
B. Ober
8.47
34.0
6
0
5
.000
6
28
1
0
0
44
32
32
15
9
2
0
0
156
0
7.41
2.38
3.11
3.97
17.9
5.8
1.56
.284
8.47
11.65
5 Antonio Senzatela
A. Senzatela
8.34
22.2
5
2
2
.500
5
11
0
0
0
32
21
22
4
12
1
0
0
113
5
4.37
4.76
0.92
1.59
9.7
10.6
1.94
.329
8.74
12.71
6 Bryce Elder
B. Elder
8.25
24.0
5
0
3
.000
5
24
0
0
0
34
22
23
6
11
2
0
0
119
0
9.00
4.13
2.18
2.25
20.2
9.2
1.88
.368
8.63
12.75
7 Jake Irvin
J. Irvin
7.63
30.2
6
2
2
.500
6
24
0
0
0
43
26
27
9
11
2
0
0
145
0
7.04
3.23
2.18
2.64
16.6
7.6
1.76
.343
7.92
12.62
8 Lance McCullers Jr.
L. McCullers Jr.
7.53
14.1
3
1
2
.333
3
14
0
0
0
13
12
12
4
9
1
0
0
67
0
8.79
5.65
1.56
2.51
20.9
13.4
1.53
.231
7.53
8.16
9 Colin Rea
C. Rea
7.18
26.1
5
1
2
.333
5
16
0
0
0
37
21
21
9
4
2
0
0
117
0
5.47
1.37
4.00
3.08
13.7
3.4
1.56
.326
7.18
12.65
10 Ben Brown
B. Brown
7.15
22.2
4
1
3
.250
4
20
0
0
0
30
18
18
7
8
1
0
0
105
0
7.94
3.18
2.50
2.78
19.0
7.6
1.68
.333
7.15
11.91
11 Luis Severino
L. Severino
7.14
29.0
5
1
4
.200
5
14
0
0
0
39
23
24
5
9
2
0
0
135
0
4.34
2.79
1.56
1.55
10.4
6.7
1.66
.324
7.45
12.10
12 Andrew Heaney
A. Heaney
7.01
25.2
5
0
3
.000
5
20
0
0
0
28
20
20
7
6
0
0
0
109
1
7.01
2.10
3.33
2.45
18.3
5.5
1.32
.276
7.01
9.82
13 Tyler Anderson
T. Anderson
6.93
24.2
5
0
3
.000
5
24
0
0
0
34
19
19
4
9
1
0
0
115
2
8.76
3.28
2.67
1.46
20.9
7.8
1.74
.390
6.93
12.41
14 Jack Flaherty
J. Flaherty
6.84
25.0
5
2
3
.400
5
28
0
0
0
22
19
19
5
16
1
0
0
112
1
10.08
5.76
1.75
1.80
25.0
14.3
1.52
.274
6.84
7.92
15 Carson Palmquist
C. Palmquist
6.75
17.1
4
0
1
.000
4
16
0
0
0
16
13
13
6
10
3
0
0
81
0
8.31
5.19
1.60
3.12
19.8
12.3
1.50
.217
6.75
8.31
16 Matthew Liberatore
M. Liberatore
6.67
27.0
5
2
3
.400
5
20
0
0
0
35
20
21
4
4
0
0
0
119
1
6.67
1.33
5.00
1.33
16.8
3.4
1.44
.341
7.00
11.67
17 Jack Kochanowicz
J. Kochanowicz
6.65
21.2
5
0
2
.000
5
19
0
0
0
26
16
16
6
9
2
0
0
94
1
7.89
3.74
2.11
2.49
20.2
9.6
1.62
.345
6.65
10.80
18 Zach Eflin
Z. Eflin
6.59
28.2
6
3
3
.500
6
24
0
0
0
44
21
21
7
6
0
0
0
132
1
7.53
1.88
4.00
2.20
18.2
4.5
1.74
.389
6.59
13.81
19 Miles Mikolas
M. Mikolas
6.58
26.0
5
0
3
.000
5
22
0
0
0
34
19
20
6
4
0
0
0
114
1
7.62
1.38
5.50
2.08
19.3
3.5
1.46
.341
6.92
11.77
20 Mike Vasil
M. Vasil
6.55
11.0
3
0
0
3
11
0
0
0
14
8
8
3
6
2
0
0
52
0
9.00
4.91
1.83
2.45
21.2
11.5
1.82
.367
6.55
11.45
21 Tyler Mahle
T. Mahle
6.55
11.0
2
1
1
.500
2
8
0
0
0
15
8
8
2
3
0
0
0
49
0
6.55
2.45
2.67
1.64
16.3
6.1
1.64
.361
6.55
12.27
22 Hayden Birdsong
H. Birdsong
6.38
24.0
5
1
1
.500
5
21
0
0
0
24
17
18
4
12
2
0
0
111
1
7.88
4.50
1.75
1.50
18.9
10.8
1.50
.278
6.75
9.00
23 Michael Lorenzen
M. Lorenzen
6.31
25.2
5
1
2
.333
5
21
0
0
0
25
18
18
6
9
0
0
0
109
2
7.36
3.16
2.33
2.10
19.3
8.3
1.32
.260
6.31
8.77
24 Cade Povich
C. Povich
6.30
10.0
2
0
1
.000
2
11
0
0
0
13
7
7
1
2
1
0
0
44
0
9.90
1.80
5.50
0.90
25.0
4.5
1.50
.414
6.30
11.70
25 Zac Gallen
Z. Gallen
6.23
30.1
5
2
2
.500
5
22
0
0
0
34
21
23
9
10
0
0
0
131
0
6.53
2.97
2.20
2.67
16.8
7.6
1.45
.278
6.82
10.09
StatMuse has game-level data for ERA and innings pitched going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.

More Red Sox Stats

Team Rankings

HR

101

10th

R

396

7th

SO

709

11th

ERA

3.98

18th

2025 Division Standings
TEAM W L PCT GB
Yankees Yankees
47
35
.573
Rays Rays
47
36
.566
0.5
Blue Jays Blue Jays
44
38
.537
3.0
Red Sox Red Sox
41
43
.488
7.0
Orioles Orioles
35
47
.427
12.0
Schedule
DATE MATCHUP TIME (ET)
Sun
6/29
TOR TOR
@
BOS BOS
1:35 PM
Mon
6/30
CIN CIN
@
BOS BOS
7:10 PM
Tue
7/1
CIN CIN
@
BOS BOS
7:10 PM
Wed
7/2
CIN CIN
@
BOS BOS
7:10 PM
Fri
7/4
BOS BOS
@
WSH WSH
11:05 AM
Last Game
BOS Red Sox

41 - 43

15

Final

1

TOR Blue Jays

44 - 38

Sat 28 Jun 2025

MLB 2025 Batting Leaders

MLB 2025 Pitching Leaders

MLB Fantasy 2025

MLB 2025 Betting

MLB 2025 Division Standings

NL East W L PCT GB
Phillies Phillies
48
35
.578
Mets Mets
48
36
.571
0.5
NL Central W L PCT GB
Cubs Cubs
49
34
.590
Brewers Brewers
47
36
.566
2.0
NL West W L PCT GB
Dodgers Dodgers
52
32
.619
Padres Padres
45
37
.549
6.0
AL East W L PCT GB
Yankees Yankees
47
35
.573
Rays Rays
47
36
.566
0.5
AL Central W L PCT GB
Tigers Tigers
52
32
.619
Guardians Guardians
40
41
.494
10.5
AL West W L PCT GB
Astros Astros
49
34
.590
Mariners Mariners
42
40
.512
6.5

MLB 2025 Scores & Schedule

Scores

DATE MATCHUP SCORE
Fri
6/13
MIA MIA
@
WSH WSH
4-3
Fri
6/13
CIN CIN
@
DET DET
11-1
Fri
6/13
PIT PIT
@
CHC CHC
1-2
Fri
6/13
TOR TOR
@
PHI PHI
2-3
Fri
6/13
LAA LAA
@
BAL BAL
5-6

Schedule

DATE MATCHUP TIME (ET)
Sun
6/29
STL STL
@
CLE CLE
12:05 PM
Sun
6/29
NYM NYM
@
PIT PIT
1:35 PM
Sun
6/29
PHI PHI
@
ATL ATL
1:35 PM
Sun
6/29
TBR TBR
@
BAL BAL
1:35 PM
Sun
6/29
ATH ATH
@
NYY NYY
1:35 PM