best pitching era for a seattle mariner in a season since 1980

Since 1980, Bill Swift has the best ERA for the Mariners in a season, with an ERA of 1.99 in 1991.

Showing:
  • Regular season
  • 0.5+ innings pitched per team game
NAMEERASEASONTMGWLW%GSSOCGSHOSVIPHERRHRBBHBPGFIBBTBFWPK/9BB/9K/BBHR/9K%BB%WHIPBABIPRAERA-FIPFIP-H/9PRAA
1Bill Swift
B. Swift
1.99
1991
SEA SEA
71
1
2
.333
0
48
0
0
17
90.1
74
20
22
3
26
1
30
4
359
2
4.78
2.59
1.85
0.30
13.4
7.2
1.11
.253
2.19
48
3.12
77
7.37
9.3
2Felix Hernandez
F. Hernandez
2.14
2014
SEA SEA
34
15
6
.714
34
248
0
0
0
236.0
170
56
68
16
46
5
0
1
912
18
9.46
1.75
5.39
0.61
27.2
5.0
0.92
.258
2.59
58
2.56
69
6.48
30.7
3Jeff Nelson
J. Nelson
2.17
1995
SEA SEA
62
7
3
.700
0
96
0
0
2
78.2
58
19
21
4
27
6
24
5
318
1
10.98
3.09
3.56
0.46
30.2
8.5
1.08
.292
2.40
46
2.58
55
6.64
18.4
4Felix Hernandez
F. Hernandez
2.27
2010
SEA SEA
34
13
12
.520
34
232
6
1
0
249.2
194
63
80
17
70
8
0
1
1,001
14
8.36
2.52
3.31
0.61
23.2
7.0
1.06
.263
2.88
58
3.04
75
6.99
28.4
5Randy Johnson
R. Johnson
2.28
1997
SEA SEA
30
20
4
.833
29
291
5
2
0
213.0
147
54
60
20
77
10
0
2
850
4
12.30
3.25
3.78
0.85
34.2
9.1
1.05
.281
2.54
50
2.82
62
6.21
41.3
6Cliff Lee
C. Lee
2.34
2010
SEA SEA
13
8
3
.727
13
89
5
1
0
103.2
92
27
31
5
6
0
0
0
408
2
7.73
0.52
14.83
0.43
21.8
1.5
0.95
.282
2.69
60
2.16
53
7.99
22.3
7Bill Caudill
B. Caudill
2.35
1982
SEA SEA
70
12
9
.571
0
111
0
0
26
95.2
65
25
25
9
35
1
64
4
380
2
10.44
3.29
3.17
0.85
29.2
9.2
1.05
.250
2.35
56
2.74
64
6.11
16.1
8Bill Swift
B. Swift
2.39
1990
SEA SEA
55
6
4
.600
8
42
0
0
6
128.0
135
34
46
4
21
7
18
6
533
8
2.95
1.48
2.00
0.28
7.9
3.9
1.22
.285
3.23
60
3.21
80
9.49
11
9Randy Johnson
R. Johnson
2.48
1995
SEA SEA
30
18
2
.900
30
294
6
3
0
214.1
159
59
65
12
65
6
0
1
866
5
12.35
2.73
4.52
0.50
33.9
7.5
1.05
.301
2.73
53
2.08
44
6.68
62
10Felix Hernandez
F. Hernandez
2.49
2009
SEA SEA
34
19
5
.792
34
217
2
1
0
238.2
200
66
81
15
71
8
0
0
977
17
8.18
2.68
3.06
0.57
22.2
7.3
1.14
.278
3.05
58
3.08
71
7.54
33.4
11Michael Jackson
M. Jackson
2.63
1988
SEA SEA
62
6
5
.545
0
76
0
0
4
99.1
74
29
37
10
43
2
29
10
412
6
6.89
3.90
1.77
0.91
18.4
10.4
1.18
.228
3.35
64
3.90
95
6.70
2.5
12Jarrod Washburn
J. Washburn
2.64
2009
SEA SEA
20
8
6
.571
20
79
1
1
0
133.0
109
39
42
11
33
3
0
1
531
1
5.35
2.23
2.39
0.74
14.9
6.2
1.07
.242
2.84
62
3.79
88
7.38
7.9
13Larry Andersen
L. Andersen
2.66
1981
SEA SEA
41
3
3
.500
0
40
0
0
5
67.2
57
20
27
4
18
2
23
2
273
0
5.32
2.39
2.22
0.53
14.7
6.6
1.11
.254
3.59
71
3.07
77
7.58
6.6
14Hisashi Iwakuma
H. Iwakuma
2.66
2013
SEA SEA
33
14
6
.700
33
185
0
0
0
219.2
179
65
69
25
42
2
0
4
866
10
7.58
1.72
4.40
1.02
21.4
4.8
1.01
.252
2.83
70
3.44
89
7.33
10.9
15Felix Hernandez
F. Hernandez
2.67
2005
SEA SEA
12
4
4
.500
12
77
0
0
0
84.1
61
25
26
5
23
2
0
0
328
3
8.22
2.45
3.35
0.53
23.5
7.0
1.00
.253
2.77
64
2.84
67
6.51
13.5
16Bryan Clark
B. Clark
2.75
1982
SEA SEA
37
5
2
.714
5
70
1
1
0
114.2
104
35
44
6
58
0
2
2
491
4
5.49
4.55
1.21
0.47
14.3
11.8
1.41
.275
3.45
65
3.68
86
8.16
7.8
17Erik Bedard
E. Bedard
2.82
2009
SEA SEA
15
5
3
.625
15
90
0
0
0
83.0
65
26
29
8
34
4
0
0
348
2
9.76
3.69
2.65
0.87
25.9
9.8
1.19
.269
3.14
66
3.54
82
7.05
7.2
18Bobby Ayala
B. Ayala
2.86
1994
SEA SEA
46
4
3
.571
0
76
0
0
18
56.2
42
18
25
2
26
0
40
0
236
2
12.07
4.13
2.92
0.32
32.2
11.0
1.20
.303
3.97
60
2.28
48
6.67
15.5
19Bryan Woo
B. Woo
2.89
2024
SEA SEA
22
9
3
.750
22
101
0
0
0
121.1
96
39
41
14
13
3
0
0
472
0
7.49
0.96
7.77
1.04
21.4
2.8
0.90
.240
3.04
77
3.39
86
7.12
7.3
20Bryan Woo
B. Woo
2.94
2025
SEA SEA
30
15
7
.682
30
198
0
0
0
186.2
137
61
64
26
36
4
0
0
731
3
9.55
1.74
5.50
1.25
27.1
4.9
0.93
.238
3.09
77
3.46
86
6.61
11.4
21Bryce Miller
B. Miller
2.94
2024
SEA SEA
31
12
8
.600
31
171
0
0
0
180.1
131
59
62
21
45
3
0
1
704
2
8.53
2.25
3.80
1.05
24.3
6.4
0.98
.237
3.09
78
3.58
91
6.54
6.9
22Jim Beattie
J. Beattie
2.97
1981
SEA SEA
13
3
2
.600
9
36
0
0
1
66.2
59
22
24
2
18
2
3
0
275
2
4.86
2.43
2.00
0.27
13.1
6.5
1.16
.263
3.24
79
2.81
71
7.97
8.3
23James Paxton
J. Paxton
2.98
2017
SEA SEA
24
12
5
.706
24
156
0
0
0
136.0
113
45
47
9
37
3
0
1
552
15
10.32
2.45
4.22
0.60
28.3
6.7
1.10
.300
3.11
71
2.60
60
7.48
26.1
24Felix Hernandez
F. Hernandez
3.04
2013
SEA SEA
31
12
10
.545
31
216
0
0
0
204.1
185
69
74
15
46
3
0
1
823
13
9.51
2.03
4.70
0.66
26.2
5.6
1.13
.313
3.26
79
2.60
67
8.15
29.5
25Freddy Garcia
F. Garcia
3.05
2001
SEA SEA
34
18
6
.750
34
163
4
3
0
238.2
199
81
88
16
69
5
0
6
971
3
6.15
2.60
2.36
0.60
16.8
7.1
1.12
.255
3.32
71
3.48
80
7.50
23
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More Mariners Stats

Team Batting Leaders

HR

26

Arozarena

Randy Arozarena

RBI

79

Arozarena

Randy Arozarena

AVG

.281

Arozarena

Randy Arozarena
Team Pitching Leaders

W

12

Woo

Bryan Woo

K

205

Gilbert

Logan Gilbert

ERA

3.57

Hancock

Emerson Hancock
Team Rankings

HR

182

16th

R

664

28th

SO

1,392

12th

ERA

4.20

19th

2026 Division Standings
TEAMWLPCTGB
Astros Astros
81
81
.500
Rangers Rangers
80
82
.494
1.0
Mariners Mariners
76
86
.469
5.0
Athletics Athletics
64
98
.395
17.0
Angels Angels
62
100
.383
19.0
Last Game
LAA Angels

62 - 100

3

Final

7

SEA Mariners

76 - 86

Sun 27 Sep 2026

MLB 2026 Batting Leaders

Playoffs HR Leaders

2

Rice

Ben Rice

1

Peña

Jeremy Peña

1

Montgomery

Colson Montgomery
Playoffs RBI Leaders

6

Rice

Ben Rice

4

Wells

Austin Wells

4

Bellinger

Cody Bellinger
Playoffs Batting Average Leaders

1.000

Doyle

Brenton Doyle

1.000

Taylor

Tyrone Taylor

1.000

Sheets

Gavin Sheets
Playoffs Hit Leaders

5

Rice

Ben Rice

4

Merrill

Jackson Merrill

4

Harris

Michael Harris II
Playoffs Run Leaders

3

Rice

Ben Rice

3

Tatis

Fernando Tatis Jr.

3

Lombard

George Lombard Jr.
Playoffs OBP Leaders

1.000

Doyle

Brenton Doyle

1.000

Taylor

Tyrone Taylor

1.000

Sheets

Gavin Sheets
Playoffs SLG Leaders

4.000

Sheets

Gavin Sheets

1.333

Rice

Ben Rice

1.333

Velázquez

Nelson Velázquez
Playoffs SB Leaders

2

Chisholm

Jazz Chisholm Jr.

2

Acuña

Ronald Acuña Jr.

2

Acuña

Luisangel Acuña

MLB 2026 Pitching Leaders

Playoffs Win Leaders

1

Schlittler

Cam Schlittler

1

King

Michael King

1

Fried

Max Fried
Playoffs Strikeout Leaders

10

Schlittler

Cam Schlittler

9

Sale

Chris Sale

8

Burke

Sean Burke
Playoffs ERA Leaders

0.00

Schlittler

Cam Schlittler

0.00

Miller

Mason Miller

0.00

King

Michael King
Playoffs WHIP Leaders

0.00

Chapman

Aroldis Chapman

0.00

VanWey

Logan VanWey

0.00

Matsui

Yuki Matsui
Playoffs K/9 Leaders

27.00

Brown

Hunter Brown

27.00

Chapman

Aroldis Chapman

27.00

King

Bryan King
Playoffs K/BB Leaders

10.00

Schlittler

Cam Schlittler

9.00

Sale

Chris Sale

7.00

Abreu

Bryan Abreu
Playoffs Walk Leaders

0

Warren

Will Warren

0

Miller

Mason Miller

0

Burke

Sean Burke

MLB Fantasy 2026

Playoffs FanDuel Points Leaders

69.6

Rice

Ben Rice

59

Schlittler

Cam Schlittler

55

King

Michael King
Playoffs DraftKings Points Leaders

51

Rice

Ben Rice

36.5

Schlittler

Cam Schlittler

33.4

King

Michael King

MLB 2026 Betting

Best Record ATS
White Sox

95-69

Padres

94-70

Nationals

91-71

Cardinals

88-74

Twins

87-75

Orioles

85-76
Worst Record ATS
Mariners

60-102

Phillies

69-95

Dodgers

69-93

Mets

75-87

Rangers

75-87

Red Sox

76-88

MLB 2026 Standings

NL EastWLPCTGB
Braves Braves - y
94
68
.580
Phillies Phillies - w
88
74
.543
6.0
Marlins Marlins
80
82
.494
14.0
Nationals Nationals
77
85
.475
17.0
Mets Mets
74
88
.457
20.0
NL CentralWLPCTGB
Brewers Brewers - y
103
59
.636
Cubs Cubs - w
89
73
.549
14.0
Pirates Pirates
82
80
.506
21.0
Cardinals Cardinals
77
85
.475
26.0
Reds Reds
75
87
.463
28.0
NL WestWLPCTGB
Dodgers Dodgers - y
100
62
.617
Padres Padres - w
91
71
.562
9.0
Diamondbacks Diamondbacks
86
76
.531
14.0
Giants Giants
65
97
.401
35.0
Rockies Rockies
58
104
.358
42.0
AL EastWLPCTGB
Rays Rays - y
98
64
.605
Yankees Yankees - w
93
68
.578
4.5
Red Sox Red Sox - w
87
75
.537
11.0
Orioles Orioles
79
82
.491
18.5
Blue Jays Blue Jays
79
83
.488
19.0
AL CentralWLPCTGB
Guardians Guardians - y
85
77
.525
White Sox White Sox - w
84
78
.519
1.0
Twins Twins
77
85
.475
8.0
Tigers Tigers
76
86
.469
9.0
Royals Royals
69
93
.426
16.0
AL WestWLPCTGB
Astros Astros - y
81
81
.500
Rangers Rangers
80
82
.494
1.0
Mariners Mariners
76
86
.469
5.0
Athletics Athletics
64
98
.395
17.0
Angels Angels
62
100
.383
19.0

MLB 2026 Scores & Schedule

Scores

DATEMATCHUPSCORE
Sun
9/13
NYM NYM
@
NYY NYY
0-2
Sun
9/13
LAA LAA
@
WSH WSH
5-6
Sun
9/13
BAL BAL
@
TOR TOR
1-8
Sun
9/13
LAD LAD
@
MIA MIA
4-6
Sun
9/13
CLE CLE
@
MIN MIN
9-2

Schedule

DATEMATCHUPTIME (ET)
Thu
10/1
PHI PHI
@
ATL ATL
8:00 PM
Sat
10/3
CWS CWS
@
CLE CLE
1:00 PM
Sat
10/3
NYY NYY
@
TBR TBR
6:30 PM
Sat
10/3
SDP SDP
@
MIL MIL
8:30 PM
Sun
10/4
SDP SDP
@
MIL MIL
4:00 PM