Jose Mesa and Fred Heimach are tied for the worst ERA by a relief pitcher in a game, with an ERA of 243.00.
Interpreted as:
relief pitcher with the highest era in a single regular-season game| NAME | ERA | DATE | TM | OPP | DEC | GS | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Mesa | 243.00 | 5/28/2000 | @ | L | 0 | 0 | 0 | 0 | 0 | 0.1 | 7 | 9 | 9 | 1 | 2 | 0 | 0 | 0 | 10 | 0 | ||
| 2 | | F. Heimach | 243.00 | 7/17/1933 | @ | 0 | 0 | 0 | 0 | 0 | 0.1 | 7 | 9 | 9 | 0 | 1 | 0 | 0 | 10 | 0 | ||||
| 3 | | O. Peraza | 216.00 | 8/27/2025 | @ | 0 | 0 | 0 | 0 | 0 | 0.1 | 7 | 8 | 8 | 1 | 0 | 1 | 0 | 0 | 9 | 0 | |||
| 4 | | P. Espino | 216.00 | 7/18/2023 | @ | 0 | 1 | 0 | 0 | 0 | 0.1 | 7 | 8 | 8 | 0 | 2 | 0 | 0 | 0 | 10 | 0 | |||
| 5 | | C. Bolton | 216.00 | 5/29/2023 | @ | 0 | 0 | 0 | 0 | 0 | 0.1 | 6 | 8 | 8 | 1 | 2 | 0 | 0 | 0 | 9 | 0 | |||
| 6 | | T. Williams | 216.00 | 6/4/2019 | vs | 0 | 1 | 0 | 0 | 0 | 0.1 | 6 | 8 | 8 | 0 | 2 | 0 | 0 | 1 | 9 | 0 | |||
| 7 | | P. Humber | 216.00 | 9/4/2012 | vs | 0 | 0 | 0 | 0 | 0 | 0.1 | 7 | 8 | 8 | 1 | 2 | 0 | 0 | 0 | 10 | 0 | |||
| 8 | | J. Miller | 216.00 | 6/4/2007 | @ | 0 | 0 | 0 | 0 | 0 | 0.1 | 7 | 8 | 8 | 2 | 2 | 0 | 0 | 1 | 10 | 0 | |||
| 9 | | J. Orosco | 216.00 | 4/19/1996 | @ | 0 | 0 | 0 | 0 | 0 | 0.1 | 6 | 8 | 8 | 1 | 2 | 0 | 0 | 0 | 9 | 0 | |||
| 10 | | B. Smith | 216.00 | 5/16/1993 | @ | 0 | 0 | 0 | 0 | 0 | 0.1 | 6 | 8 | 8 | 0 | 2 | 0 | 0 | 0 | 9 | 0 | |||
| 11 | | J. Perlman | 216.00 | 9/24/1985 | vs | 0 | 0 | 0 | 0 | 0 | 0.1 | 6 | 8 | 8 | 2 | 2 | 0 | 0 | 1 | 9 | 0 | |||
| 12 | | B. Dailey | 216.00 | 6/9/1964 | @ | 0 | 0 | 0 | 0 | 0 | 0.1 | 5 | 8 | 8 | 1 | 3 | 0 | 0 | 0 | 9 | 1 | |||
| 13 | | A. Kittredge | 189.00 | 5/3/2026 | @ | 0 | 0 | 0 | 0 | 0 | 0.1 | 7 | 7 | 7 | 1 | 0 | 0 | 0 | 0 | 8 | 0 | |||
| 14 | | A. Hoffmann | 189.00 | 4/28/2026 | @ | 0 | 0 | 0 | 0 | 0 | 0.1 | 8 | 7 | 8 | 0 | 1 | 0 | 0 | 0 | 11 | 0 | |||
| 15 | | J. Simpson | 189.00 | 8/26/2025 | vs | 0 | 0 | 0 | 0 | 0 | 0.1 | 5 | 7 | 7 | 1 | 2 | 0 | 0 | 0 | 8 | 0 | |||
| 16 | | J. DÃaz | 189.00 | 9/15/2023 | vs | 0 | 0 | 0 | 0 | 0 | 0.1 | 7 | 7 | 7 | 0 | 2 | 0 | 0 | 0 | 10 | 0 | |||
| 17 | | T. Rogers | 189.00 | 5/24/2022 | vs | 0 | 0 | 0 | 0 | 0 | 0.1 | 7 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |||
| 18 | | S. Watkins | 189.00 | 9/12/2021 | vs | 0 | 0 | 0 | 0 | 0 | 0.1 | 7 | 7 | 7 | 2 | 1 | 0 | 0 | 0 | 8 | 0 | |||
| 19 | | M. Peacock | 189.00 | 5/1/2021 | vs | 0 | 0 | 0 | 0 | 0 | 0.1 | 6 | 7 | 7 | 1 | 1 | 0 | 0 | 0 | 8 | 0 | |||
| 20 | | J. Yacabonis | 189.00 | 7/20/2019 | vs | 0 | 0 | 0 | 0 | 0 | 0.1 | 8 | 7 | 7 | 1 | 1 | 0 | 0 | 0 | 10 | 2 | |||
| 21 | | G. Sparkman | 189.00 | 7/2/2017 | vs | 0 | 1 | 0 | 0 | 0 | 0.1 | 7 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |||
| 22 | | T. Gorzelanny | 189.00 | 7/3/2016 | @ | 0 | 0 | 0 | 0 | 0 | 0.1 | 4 | 7 | 7 | 1 | 3 | 0 | 0 | 0 | 8 | 0 | |||
| 23 | | M. Acosta | 189.00 | 4/27/2012 | @ | L | 0 | 0 | 0 | 0 | 0 | 0.1 | 5 | 7 | 7 | 1 | 2 | 1 | 0 | 0 | 9 | 0 | ||
| 24 | | R. White | 189.00 | 5/25/2007 | @ | 0 | 0 | 0 | 0 | 0 | 0.1 | 6 | 7 | 7 | 0 | 1 | 0 | 0 | 1 | 8 | 0 | |||
| 25 | | K. Jimenez | 189.00 | 5/18/2007 | @ | 0 | 0 | 0 | 0 | 0 | 0.1 | 5 | 7 | 7 | 0 | 2 | 0 | 0 | 0 | 8 | 0 | |||
SEA
TBD
BKN
PIT
LAA
TEX
WSH
CHC
PIT
SFG
MIL
MIA
CWS
MIN
BAL
COL
CIN
MON
MIN
DET
NYY
AZ
MIL
ATL
NYM
TOR
ARI
BOS
CLE
HOU
STLResults may be incomplete. StatMuse has complete game-level data for ERA going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
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More Mariners Stats
Team Batting Leaders 
HR
12
Raley
RBI
30
Raley
AVG
.297
Arozarena
Team Pitching Leaders 
W
5
Kirby
K
69
Gilbert
ERA
2.78
Hancock
Team Rankings
HR
70
7th
R
247
16th
SO
492
10th
ERA
3.57
5th
Athletics
Astros
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
39 | 19 | .672 | ||
29 | 28 | .509 | 9.5 | |
29 | 29 | .500 | 10.0 | |
26 | 32 | .448 | 13.0 | |
24 | 33 | .421 | 14.5 | |
| NL Central | W | L | PCT | GB |
34 | 20 | .630 | ||
30 | 25 | .545 | 4.5 | |
31 | 27 | .534 | 5.0 | |
29 | 27 | .518 | 6.0 | |
30 | 28 | .517 | 6.0 | |
| NL West | W | L | PCT | GB |
37 | 20 | .649 | ||
32 | 24 | .571 | 4.5 | |
31 | 25 | .554 | 5.5 | |
22 | 35 | .386 | 15.0 | |
21 | 37 | .362 | 16.5 |
Phillies
Dodgers
Padres| AL East | W | L | PCT | GB |
|---|---|---|---|---|
35 | 19 | .648 | ||
35 | 22 | .614 | 1.5 | |
29 | 29 | .500 | 8.0 | |
26 | 32 | .448 | 11.0 | |
23 | 33 | .411 | 13.0 | |
| AL Central | W | L | PCT | GB |
34 | 25 | .576 | ||
30 | 27 | .526 | 3.0 | |
27 | 31 | .466 | 6.5 | |
22 | 35 | .386 | 11.0 | |
22 | 36 | .379 | 11.5 | |
| AL West | W | L | PCT | GB |
29 | 29 | .500 | ||
27 | 30 | .474 | 1.5 | |
26 | 31 | .456 | 2.5 | |
26 | 33 | .441 | 3.5 | |
22 | 36 | .379 | 7.0 |
Rays
Guardians
Royals