Between August 12, 2026 and August 26, 2026, the Seattle Mariners have the worst ERA by a team, with an ERA of 6.77.
| TEAM | ERA | G | W% | W | L | SO | SHO | SV | IP | H | ER | R | HR | BB | HBP | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Mariners | 6.77 | 13 | .615 | 8 | 5 | 115 | 0 | 4 | 115.2 | 132 | 87 | 92 | 25 | 45 | 6 | 3 | 519 | 1 | 8.95 | 3.50 | 2.56 | 1.95 | 22.2 | 8.7 | 1.53 | .326 | 7.16 | 10.27 |
| 2 |  | Rockies | 6.22 | 12 | .333 | 4 | 8 | 69 | 0 | 2 | 107.0 | 125 | 74 | 78 | 15 | 49 | 3 | 0 | 492 | 2 | 5.80 | 4.12 | 1.41 | 1.26 | 14.0 | 10.0 | 1.63 | .309 | 6.56 | 10.51 |
| 3 |  | Astros | 5.49 | 11 | .455 | 5 | 6 | 99 | 0 | 3 | 100.0 | 104 | 61 | 62 | 11 | 46 | 6 | 0 | 446 | 4 | 8.91 | 4.14 | 2.15 | 0.99 | 22.2 | 10.3 | 1.50 | .327 | 5.58 | 9.36 |
| 4 |  | Twins | 5.45 | 12 | .417 | 5 | 7 | 103 | 0 | 5 | 104.0 | 108 | 63 | 66 | 14 | 45 | 1 | 1 | 459 | 4 | 8.91 | 3.89 | 2.29 | 1.21 | 22.4 | 9.8 | 1.47 | .318 | 5.71 | 9.35 |
| 5 |  | Athletics | 5.27 | 13 | .385 | 5 | 8 | 98 | 0 | 4 | 112.2 | 126 | 66 | 70 | 11 | 49 | 4 | 6 | 506 | 7 | 7.83 | 3.91 | 2.00 | 0.88 | 19.4 | 9.7 | 1.55 | .334 | 5.59 | 10.07 |
| 6 |  | Diamondbacks | 5.26 | 12 | .500 | 6 | 6 | 80 | 0 | 2 | 106.0 | 108 | 62 | 65 | 18 | 37 | 6 | 1 | 464 | 3 | 6.79 | 3.14 | 2.16 | 1.53 | 17.2 | 8.0 | 1.37 | .279 | 5.52 | 9.17 |
| 7 |  | Cardinals | 5.23 | 13 | .462 | 6 | 7 | 113 | 0 | 3 | 113.2 | 110 | 66 | 71 | 13 | 38 | 1 | 2 | 476 | 2 | 8.95 | 3.01 | 2.97 | 1.03 | 23.7 | 8.0 | 1.30 | .312 | 5.62 | 8.71 |
| 8 |  | Reds | 4.88 | 15 | .333 | 5 | 10 | 120 | 0 | 3 | 131.0 | 142 | 71 | 79 | 15 | 57 | 11 | 1 | 595 | 7 | 8.24 | 3.92 | 2.11 | 1.03 | 20.2 | 9.6 | 1.52 | .324 | 5.43 | 9.76 |
| 9 |  | Rays | 4.81 | 13 | .385 | 5 | 8 | 110 | 0 | 4 | 116.0 | 120 | 62 | 65 | 22 | 26 | 5 | 2 | 494 | 4 | 8.53 | 2.02 | 4.23 | 1.71 | 22.3 | 5.3 | 1.26 | .296 | 5.04 | 9.31 |
| 10 |  | Tigers | 4.71 | 13 | .231 | 3 | 10 | 84 | 0 | 3 | 112.2 | 109 | 59 | 63 | 20 | 46 | 6 | 1 | 488 | 4 | 6.71 | 3.67 | 1.83 | 1.60 | 17.2 | 9.4 | 1.38 | .268 | 5.03 | 8.71 |
| 11 |  | White Sox | 4.66 | 14 | .571 | 8 | 6 | 114 | 0 | 4 | 125.2 | 122 | 65 | 68 | 23 | 49 | 6 | 3 | 545 | 8 | 8.16 | 3.51 | 2.33 | 1.65 | 20.9 | 9.0 | 1.36 | .280 | 4.87 | 8.74 |
| 12 |  | Cubs | 4.38 | 13 | .462 | 6 | 7 | 98 | 0 | 2 | 117.0 | 100 | 57 | 61 | 18 | 45 | 9 | 2 | 497 | 2 | 7.54 | 3.46 | 2.18 | 1.38 | 19.7 | 9.1 | 1.24 | .251 | 4.69 | 7.69 |
| 13 |  | Rangers | 4.06 | 13 | .462 | 6 | 7 | 119 | 0 | 3 | 113.0 | 113 | 51 | 54 | 11 | 44 | 3 | 2 | 493 | 1 | 9.48 | 3.50 | 2.70 | 0.88 | 24.1 | 8.9 | 1.39 | .323 | 4.30 | 9.00 |
| 14 |  | Nationals | 3.87 | 13 | .231 | 3 | 10 | 123 | 0 | 0 | 109.1 | 95 | 47 | 51 | 15 | 52 | 3 | 1 | 468 | 6 | 10.13 | 4.28 | 2.37 | 1.23 | 26.3 | 11.1 | 1.34 | .291 | 4.20 | 7.82 |
| 15 |  | Giants | 3.83 | 12 | .333 | 4 | 8 | 89 | 0 | 2 | 103.1 | 90 | 44 | 49 | 7 | 42 | 6 | 1 | 440 | 5 | 7.75 | 3.66 | 2.12 | 0.61 | 20.2 | 9.5 | 1.28 | .280 | 4.27 | 7.84 |
| 16 |  | Blue Jays | 3.82 | 12 | .500 | 6 | 6 | 97 | 0 | 4 | 106.0 | 87 | 45 | 49 | 9 | 43 | 5 | 3 | 443 | 6 | 8.24 | 3.65 | 2.26 | 0.76 | 21.9 | 9.7 | 1.23 | .270 | 4.16 | 7.39 |
| 17 |  | Orioles | 3.75 | 12 | .500 | 6 | 6 | 96 | 0 | 3 | 108.0 | 110 | 45 | 47 | 11 | 34 | 5 | 2 | 455 | 3 | 8.00 | 2.83 | 2.82 | 0.92 | 21.1 | 7.5 | 1.33 | .320 | 3.92 | 9.17 |
| 18 |  | Marlins | 3.68 | 13 | .462 | 6 | 7 | 84 | 0 | 1 | 115.0 | 104 | 47 | 54 | 12 | 46 | 6 | 1 | 494 | 3 | 6.57 | 3.60 | 1.83 | 0.94 | 17.0 | 9.3 | 1.30 | .266 | 4.23 | 8.14 |
| 19 |  | Phillies | 3.65 | 12 | .750 | 9 | 3 | 122 | 0 | 4 | 106.0 | 101 | 43 | 50 | 16 | 39 | 5 | 0 | 454 | 3 | 10.36 | 3.31 | 3.13 | 1.36 | 26.9 | 8.6 | 1.32 | .313 | 4.25 | 8.58 |
| 20 |  | Pirates | 3.52 | 13 | .538 | 7 | 6 | 122 | 0 | 4 | 117.2 | 90 | 46 | 47 | 8 | 56 | 5 | 1 | 489 | 2 | 9.33 | 4.28 | 2.18 | 0.61 | 24.9 | 11.5 | 1.24 | .275 | 3.59 | 6.88 |
| 21 |  | Braves | 3.50 | 12 | .417 | 5 | 7 | 88 | 0 | 4 | 103.0 | 105 | 40 | 43 | 11 | 33 | 5 | 3 | 446 | 1 | 7.69 | 2.88 | 2.67 | 0.96 | 19.7 | 7.4 | 1.34 | .304 | 3.76 | 9.17 |
| 22 |  | Royals | 3.40 | 12 | .833 | 10 | 2 | 76 | 1 | 4 | 106.0 | 86 | 40 | 41 | 10 | 40 | 6 | 0 | 433 | 3 | 6.45 | 3.40 | 1.90 | 0.85 | 17.6 | 9.2 | 1.19 | .252 | 3.48 | 7.30 |
| 23 |  | Red Sox | 3.38 | 13 | .692 | 9 | 4 | 107 | 0 | 3 | 117.0 | 100 | 44 | 49 | 10 | 44 | 5 | 1 | 487 | 2 | 8.23 | 3.38 | 2.43 | 0.77 | 22.0 | 9.0 | 1.23 | .280 | 3.77 | 7.69 |
| 24 |  | Mets | 3.31 | 11 | .636 | 7 | 4 | 102 | 0 | 4 | 98.0 | 81 | 36 | 37 | 16 | 39 | 8 | 0 | 408 | 1 | 9.37 | 3.58 | 2.62 | 1.47 | 25.0 | 9.6 | 1.22 | .267 | 3.40 | 7.44 |
| 25 |  | Dodgers | 3.22 | 12 | .667 | 8 | 4 | 128 | 0 | 5 | 109.0 | 87 | 39 | 44 | 5 | 36 | 7 | 2 | 457 | 3 | 10.57 | 2.97 | 3.56 | 0.41 | 28.0 | 7.9 | 1.13 | .292 | 3.63 | 7.18 |
StatMuse has team, 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
20
RodrÃguez
RBI
58
Arozarena
AVG
.272
Arozarena
Team Pitching Leaders 
W
11
Gilbert
K
162
Gilbert
ERA
3.36
Gilbert
Team Rankings
HR
155
14th
R
526
29th
SO
1,133
11th
ERA
4.08
13th
Astros
Rangers
Mariners
Athletics
Angels
PHI
TOR
BOS
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
77 | 55 | .583 | ||
73 | 60 | .549 | 4.5 | |
67 | 66 | .504 | 10.5 | |
62 | 72 | .463 | 16.0 | |
60 | 72 | .455 | 17.0 | |
| NL Central | W | L | PCT | GB |
81 | 51 | .614 | ||
76 | 57 | .571 | 5.5 | |
66 | 67 | .496 | 15.5 | |
65 | 69 | .485 | 17.0 | |
62 | 71 | .466 | 19.5 | |
| NL West | W | L | PCT | GB |
80 | 52 | .606 | ||
71 | 62 | .534 | 9.5 | |
70 | 63 | .526 | 10.5 | |
54 | 78 | .409 | 26.0 | |
51 | 81 | .386 | 29.0 |
Braves
Marlins
Nationals
Mets
Brewers
Cubs
Cardinals
Pirates
Reds
Dodgers
Padres
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
78 | 54 | .591 | ||
74 | 57 | .565 | 3.5 | |
73 | 59 | .553 | 5.0 | |
64 | 68 | .485 | 14.0 | |
64 | 69 | .481 | 14.5 | |
| AL Central | W | L | PCT | GB |
69 | 63 | .523 | ||
67 | 66 | .504 | 2.5 | |
64 | 69 | .481 | 5.5 | |
62 | 70 | .470 | 7.0 | |
59 | 74 | .444 | 10.5 | |
| AL West | W | L | PCT | GB |
66 | 66 | .500 | ||
66 | 67 | .496 | 0.5 | |
64 | 69 | .481 | 2.5 | |
52 | 81 | .391 | 14.5 | |
52 | 81 | .391 | 14.5 |
Rays
Yankees
Orioles
White Sox
Guardians
Twins
Tigers
Royals