The Seattle Mariners have the worst ERA by a team in their last 9 games this season, with an ERA of 7.09.
| TEAM | ERA | SEASON | 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 | 7.09 | 2026 | 9 | .667 | 6 | 3 | 82 | 0 | 3 | 80.0 | 95 | 63 | 67 | 19 | 34 | 5 | 1 | 369 | 1 | 9.23 | 3.83 | 2.41 | 2.14 | 22.2 | 9.2 | 1.61 | .332 | 7.54 | 10.69 |
| 2 |  | Rockies | 6.78 | 2026 | 9 | .222 | 2 | 7 | 59 | 0 | 1 | 81.0 | 97 | 61 | 65 | 12 | 35 | 2 | 0 | 376 | 1 | 6.56 | 3.89 | 1.69 | 1.33 | 15.7 | 9.3 | 1.63 | .317 | 7.22 | 10.78 |
| 3 |  | Cardinals | 6.52 | 2026 | 9 | .333 | 3 | 6 | 82 | 0 | 3 | 78.2 | 84 | 57 | 59 | 9 | 26 | 1 | 2 | 338 | 1 | 9.38 | 2.97 | 3.15 | 1.03 | 24.3 | 7.7 | 1.40 | .341 | 6.75 | 9.61 |
| 4 |  | Diamondbacks | 6.04 | 2026 | 9 | .444 | 4 | 5 | 57 | 0 | 1 | 79.0 | 91 | 53 | 56 | 15 | 33 | 6 | 1 | 362 | 3 | 6.49 | 3.76 | 1.73 | 1.71 | 15.7 | 9.1 | 1.57 | .303 | 6.38 | 10.37 |
| 5 |  | Astros | 6.00 | 2026 | 9 | .333 | 3 | 6 | 80 | 0 | 2 | 81.0 | 87 | 54 | 54 | 11 | 37 | 5 | 0 | 363 | 4 | 8.89 | 4.11 | 2.16 | 1.22 | 22.0 | 10.2 | 1.53 | .330 | 6.00 | 9.67 |
| 6 |  | Athletics | 5.75 | 2026 | 9 | .333 | 3 | 6 | 67 | 0 | 3 | 76.2 | 89 | 49 | 52 | 7 | 37 | 4 | 6 | 353 | 6 | 7.87 | 4.34 | 1.81 | 0.82 | 19.0 | 10.5 | 1.64 | .345 | 6.10 | 10.45 |
| 7 |  | White Sox | 4.91 | 2026 | 9 | .444 | 4 | 5 | 74 | 0 | 2 | 80.2 | 88 | 44 | 46 | 16 | 33 | 3 | 3 | 360 | 7 | 8.26 | 3.68 | 2.24 | 1.79 | 20.6 | 9.2 | 1.50 | .308 | 5.13 | 9.82 |
| 8 |  | Twins | 4.91 | 2026 | 9 | .444 | 4 | 5 | 79 | 0 | 4 | 77.0 | 76 | 42 | 45 | 8 | 30 | 1 | 1 | 335 | 1 | 9.23 | 3.51 | 2.63 | 0.94 | 23.6 | 9.0 | 1.38 | .313 | 5.26 | 8.88 |
| 9 |  | Reds | 4.56 | 2026 | 9 | .222 | 2 | 7 | 63 | 0 | 1 | 77.0 | 82 | 39 | 46 | 8 | 34 | 7 | 1 | 349 | 5 | 7.36 | 3.97 | 1.85 | 0.94 | 18.1 | 9.7 | 1.51 | .312 | 5.38 | 9.58 |
| 10 |  | Tigers | 4.46 | 2026 | 9 | .222 | 2 | 7 | 58 | 0 | 2 | 76.2 | 70 | 38 | 40 | 12 | 27 | 4 | 0 | 320 | 2 | 6.81 | 3.17 | 2.15 | 1.41 | 18.1 | 8.4 | 1.27 | .265 | 4.70 | 8.22 |
| 11 |  | Giants | 4.36 | 2026 | 9 | .333 | 3 | 6 | 61 | 0 | 2 | 76.1 | 75 | 37 | 41 | 6 | 34 | 5 | 1 | 336 | 4 | 7.19 | 4.01 | 1.79 | 0.71 | 18.2 | 10.1 | 1.43 | .300 | 4.83 | 8.84 |
| 12 |  | Cubs | 4.06 | 2026 | 9 | .444 | 4 | 5 | 72 | 0 | 0 | 82.0 | 69 | 37 | 40 | 10 | 35 | 5 | 2 | 349 | 2 | 7.90 | 3.84 | 2.06 | 1.10 | 20.6 | 10.0 | 1.27 | .260 | 4.39 | 7.57 |
| 13 |  | Phillies | 3.94 | 2026 | 9 | .778 | 7 | 2 | 87 | 0 | 4 | 80.0 | 76 | 35 | 41 | 15 | 28 | 3 | 0 | 340 | 3 | 9.79 | 3.15 | 3.11 | 1.69 | 25.6 | 8.2 | 1.30 | .295 | 4.61 | 8.55 |
| 14 |  | Rays | 3.76 | 2026 | 9 | .444 | 4 | 5 | 71 | 0 | 4 | 79.0 | 71 | 33 | 35 | 12 | 12 | 2 | 1 | 321 | 3 | 8.09 | 1.37 | 5.92 | 1.37 | 22.1 | 3.7 | 1.05 | .263 | 3.99 | 8.09 |
| 15 |  | Blue Jays | 3.76 | 2026 | 9 | .444 | 4 | 5 | 81 | 0 | 2 | 79.0 | 64 | 33 | 37 | 6 | 34 | 4 | 2 | 332 | 4 | 9.23 | 3.87 | 2.38 | 0.68 | 24.4 | 10.2 | 1.24 | .280 | 4.22 | 7.29 |
| 16 |  | Nationals | 3.60 | 2026 | 9 | .222 | 2 | 7 | 81 | 0 | 0 | 75.0 | 66 | 30 | 30 | 8 | 34 | 3 | 1 | 320 | 3 | 9.72 | 4.08 | 2.38 | 0.96 | 25.3 | 10.6 | 1.33 | .299 | 3.60 | 7.92 |
| 17 |  | Dodgers | 3.51 | 2026 | 9 | .667 | 6 | 3 | 101 | 0 | 3 | 82.0 | 66 | 32 | 36 | 5 | 23 | 5 | 2 | 341 | 2 | 11.09 | 2.52 | 4.39 | 0.55 | 29.6 | 6.7 | 1.09 | .295 | 3.95 | 7.24 |
| 18 |  | Red Sox | 3.47 | 2026 | 9 | .778 | 7 | 2 | 79 | 0 | 3 | 83.0 | 71 | 32 | 35 | 8 | 35 | 4 | 0 | 351 | 1 | 8.57 | 3.80 | 2.26 | 0.87 | 22.5 | 10.0 | 1.28 | .280 | 3.80 | 7.70 |
| 19 |  | Marlins | 3.38 | 2026 | 9 | .444 | 4 | 5 | 54 | 0 | 1 | 80.0 | 68 | 30 | 34 | 6 | 36 | 5 | 1 | 342 | 3 | 6.08 | 4.05 | 1.50 | 0.68 | 15.8 | 10.5 | 1.30 | .257 | 3.83 | 7.65 |
| 20 |  | Orioles | 3.33 | 2026 | 9 | .444 | 4 | 5 | 78 | 0 | 1 | 81.0 | 76 | 30 | 32 | 11 | 21 | 5 | 1 | 329 | 2 | 8.67 | 2.33 | 3.71 | 1.22 | 23.7 | 6.4 | 1.20 | .304 | 3.56 | 8.44 |
| 21 |  | Mets | 3.33 | 2026 | 9 | .667 | 6 | 3 | 88 | 0 | 3 | 81.0 | 64 | 30 | 30 | 13 | 34 | 6 | 0 | 335 | 1 | 9.78 | 3.78 | 2.59 | 1.44 | 26.3 | 10.1 | 1.21 | .263 | 3.33 | 7.11 |
| 22 |  | Rangers | 3.26 | 2026 | 9 | .556 | 5 | 4 | 87 | 0 | 2 | 80.0 | 73 | 29 | 31 | 8 | 26 | 1 | 2 | 336 | 0 | 9.79 | 2.93 | 3.35 | 0.90 | 25.9 | 7.7 | 1.24 | .304 | 3.49 | 8.21 |
| 23 |  | Royals | 3.22 | 2026 | 9 | 1.000 | 9 | 0 | 54 | 1 | 3 | 81.0 | 62 | 29 | 30 | 6 | 32 | 5 | 0 | 331 | 2 | 6.00 | 3.56 | 1.69 | 0.67 | 16.3 | 9.7 | 1.16 | .239 | 3.33 | 6.89 |
| 24 |  | Pirates | 3.16 | 2026 | 9 | .556 | 5 | 4 | 86 | 0 | 3 | 82.2 | 60 | 29 | 30 | 4 | 39 | 4 | 1 | 342 | 2 | 9.36 | 4.25 | 2.21 | 0.44 | 25.1 | 11.4 | 1.20 | .268 | 3.27 | 6.53 |
| 25 |  | Braves | 2.96 | 2026 | 9 | .444 | 4 | 5 | 60 | 0 | 4 | 76.0 | 75 | 25 | 28 | 4 | 24 | 4 | 2 | 326 | 1 | 7.11 | 2.84 | 2.50 | 0.47 | 18.4 | 7.4 | 1.30 | .303 | 3.32 | 8.88 |
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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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 |
|---|---|---|---|---|
79 | 54 | .594 | ||
74 | 57 | .565 | 4.0 | |
73 | 59 | .553 | 5.5 | |
64 | 68 | .485 | 14.5 | |
64 | 69 | .481 | 15.0 | |
| AL Central | W | L | PCT | GB |
69 | 63 | .523 | ||
67 | 66 | .504 | 2.5 | |
64 | 69 | .481 | 5.5 | |
62 | 71 | .466 | 7.5 | |
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