Since 1995, 50 pitchers are tied for the best ERA in a season before the All-Star Game, with an ERA of 0.00. The first three are Tom Cosgrove, Guillo Zuñiga and Spencer Bivens this season.
Interpreted as:
lowest era by a player in a single season before the all star break since 1995| NAME | ERA | SEASON | TM | G | W | L | W% | GS | SO | CG | SHO | SV | IP | 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 |  | T. Cosgrove | 0.00 | 2026 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 7 | 0 | 9.00 | 4.50 | 2.00 | 0.00 | 28.6 | 14.3 | 1.00 | .250 | 0.00 | 4.50 | ||
| 2 | | G. Zuñiga | 0.00 | 2026 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 9.00 | 9.00 | 1.00 | 0.00 | 25.0 | 25.0 | 1.00 | .000 | 0.00 | 0.00 | ||
| 3 | | S. Bivens | 0.00 | 2026 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 2.0 | 3 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 10 | 0 | 13.50 | 4.50 | 3.00 | 0.00 | 30.0 | 10.0 | 2.00 | .500 | 9.00 | 13.50 | ||
| 4 | | E. Yean | 0.00 | 2026 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 7 | 0 | 13.50 | 4.50 | 3.00 | 0.00 | 42.9 | 14.3 | 0.50 | .000 | 0.00 | 0.00 | ||
| 5 | | G. Stallings | 0.00 | 2026 | 2 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 11 | 0 | 12.00 | 3.00 | 4.00 | 0.00 | 36.4 | 9.1 | 0.67 | .167 | 0.00 | 3.00 | ||
| 6 | | M. Ullola | 0.00 | 2026 | 2 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 4.0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 14 | 0 | 15.75 | 0.00 | 0.00 | 50.0 | 0.0 | 0.50 | .286 | 0.00 | 4.50 | |||
| 7 | | M. Grove | 0.00 | 2026 | 1 | 1 | 0 | 1.000 | 0 | 4 | 0 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 12.00 | 0.00 | 0.00 | 40.0 | 0.0 | 0.33 | .167 | 0.00 | 3.00 | ||
| 8 | | E. Castellano | 0.00 | 2026 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 3.0 | 4 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 12 | 0 | 6.00 | 0.00 | 0.00 | 16.7 | 0.0 | 1.33 | .444 | 0.00 | 12.00 | |||
| 9 | | J. Criswell | 0.00 | 2026 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 9 | 0 | 9.00 | 9.00 | 1.00 | 0.00 | 22.2 | 22.2 | 1.50 | .200 | 0.00 | 4.50 | ||
| 10 | | T. Callihan | 0.00 | 2026 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 2 | 0 | 0 | 0 | 3 | 0 | 3 | 0 | 11 | 0 | 0.00 | 13.50 | 0.00 | 0.00 | 0.0 | 27.3 | 2.50 | .250 | 0.00 | 9.00 | ||
| 11 | | C. Weston | 0.00 | 2026 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 0 | 9.00 | 9.00 | 1.00 | 0.00 | 33.3 | 33.3 | 1.00 | .000 | 0.00 | 0.00 | ||
| 12 | | L. Allen | 0.00 | 2026 | 1 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 4.0 | 5 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 19 | 0 | 15.75 | 2.25 | 7.00 | 0.00 | 36.8 | 5.3 | 1.50 | .455 | 4.50 | 11.25 | ||
| 13 | | W. Herrera | 0.00 | 2026 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2.1 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 10 | 0 | 7.71 | 3.86 | 2.00 | 0.00 | 20.0 | 10.0 | 1.29 | .286 | 0.00 | 7.71 | ||
| 14 | | T. Andrews | 0.00 | 2026 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 11 | 0 | 3.00 | 6.00 | 0.50 | 0.00 | 9.1 | 18.2 | 1.00 | .125 | 0.00 | 3.00 | ||
| 15 | | B. Torres | 0.00 | 2026 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 8 | 0 | 0.00 | 4.50 | 0.00 | 0.00 | 0.0 | 12.5 | 1.00 | .143 | 0.00 | 4.50 | ||
| 16 | | V. Mederos | 0.00 | 2026 | 3 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 5.0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 16 | 0 | 9.00 | 1.80 | 5.00 | 0.00 | 31.3 | 6.3 | 0.40 | .100 | 0.00 | 1.80 | ||
| 17 | | Y. Cruz | 0.00 | 2026 | 3 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 4.1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 15 | 0 | 12.46 | 0.00 | 0.00 | 40.0 | 0.0 | 0.23 | .125 | 0.00 | 2.08 | |||
| 18 | | D. Duarte | 0.00 | 2026 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 5.0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 15 | 1 | 5.40 | 1.80 | 3.00 | 0.00 | 20.0 | 6.7 | 0.40 | .091 | 0.00 | 1.80 | ||
| 19 | | T. Blach | 0.00 | 2026 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 9 | 0 | 6.00 | 0.00 | 0.00 | 22.2 | 0.0 | 0.33 | .143 | 0.00 | 3.00 | |||
| 20 | | B. Kriske | 0.00 | 2026 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2.2 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 11 | 0 | 6.75 | 3.38 | 2.00 | 0.00 | 18.2 | 9.1 | 1.13 | .250 | 0.00 | 6.75 | ||
| 21 | | Z. Short | 0.00 | 2026 | TOT | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | ||
| 22 | | J. Espada | 0.00 | 2026 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 2.00 | .500 | 0.00 | 18.00 | |||
| 23 | | M. Schuemann | 0.00 | 2026 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 5 | 0 | 0.00 | 9.00 | 0.00 | 0.00 | 0.0 | 20.0 | 2.00 | .250 | 0.00 | 9.00 | ||
| 24 | | Y. Ríos | 0.00 | 2026 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1.2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | 10.80 | 0.00 | 0.00 | 40.0 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | |||
| 25 | | V. Velasquez | 0.00 | 2026 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3.1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 11 | 1 | 2.70 | 0.00 | 0.00 | 9.1 | 0.0 | 0.30 | .100 | 0.00 | 2.70 | |||
WSH
NYM
SFG
MIL
HOU
TBR
COL
PIT
BAL
CLE
TOR
STL
ATL
NYY
CHC
ATHStatMuse has game-level data for ERA going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
More MLB News
Cubs hope to have shortstop Dansby Swanson back from oblique injury in a week
Pirates activate slugger Ryan O'Hearn from the injured list before their game against the Cubs
This Date in Baseball - Cleveland extends winning streak to 20 games, match AL mark of the 2002 A's
Volpe hits grand slam in return to majors as Yankees sweep Rockies 10-3 to pull closer in AL East
Braves beat the Rays 3-1, delaying Tampa Bay’s chance to clinch a playoff berth
Jones, Cruz power the Pirates to a 2-0 win over the White Sox
More Nationals Stats
Team Batting Leaders 
HR
30
Wood
RBI
95
Abrams
AVG
.283
García
Team Pitching Leaders
W
12
Cavalli
K
185
Cavalli
ERA
3.06
Griffin
Team Rankings
HR
198
3rd
R
756
2nd
SO
1,151
25th
ERA
4.75
28th
Phillies
Marlins
LAA
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
86 | 61 | .585 | ||
82 | 65 | .558 | 4.0 | |
72 | 75 | .490 | 14.0 | |
68 | 78 | .466 | 17.5 | |
67 | 81 | .453 | 19.5 | |
| NL Central | W | L | PCT | GB |
91 | 56 | .619 | ||
81 | 66 | .551 | 10.0 | |
74 | 73 | .503 | 17.0 | |
72 | 75 | .490 | 19.0 | |
69 | 77 | .473 | 21.5 | |
| NL West | W | L | PCT | GB |
89 | 57 | .610 | ||
78 | 68 | .534 | 11.0 | |
78 | 69 | .531 | 11.5 | |
62 | 85 | .422 | 27.5 | |
55 | 91 | .377 | 34.0 |
Reds
Dodgers
Padres
Diamondbacks| AL East | W | L | PCT | GB |
|---|---|---|---|---|
87 | 59 | .596 | ||
84 | 62 | .575 | 3.0 | |
80 | 67 | .544 | 7.5 | |
73 | 74 | .497 | 14.5 | |
71 | 76 | .483 | 16.5 | |
| AL Central | W | L | PCT | GB |
75 | 71 | .514 | ||
74 | 73 | .503 | 1.5 | |
69 | 77 | .473 | 6.0 | |
67 | 79 | .459 | 8.0 | |
65 | 82 | .442 | 10.5 | |
| AL West | W | L | PCT | GB |
75 | 72 | .510 | ||
72 | 75 | .490 | 3.0 | |
69 | 78 | .469 | 6.0 | |
59 | 88 | .401 | 16.0 | |
56 | 90 | .384 | 18.5 |
Red Sox
White Sox
Twins
Tigers
Royals
Rangers
Mariners