5 pitchers were tied for the best ERA by a Cubs relief pitcher this season, with an ERA of 0.00. The first three are David Peterson, Antoine Kelly and Ty Blach.
| 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 |  | D. Peterson | 0.00 | 2026 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 6.75 | 6.75 | 1.00 | 0.00 | 25.0 | 25.0 | 0.75 | .000 | 0.00 | 0.00 | ||
| 2 |  | A. Kelly | 0.00 | 2026 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1.1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 4 | 0 | 6.75 | 6.75 | 1.00 | 0.00 | 25.0 | 25.0 | 0.75 | .000 | 0.00 | 0.00 | ||
| 3 | | 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 | |||
| 4 | | Y. RÃos | 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 | |||
| 5 | | 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 | |||
| 6 | | A. Civale | 1.72 | 2026 | 18 | 1 | 1 | .500 | 0 | 33 | 0 | 0 | 2 | 36.2 | 27 | 7 | 9 | 2 | 12 | 3 | 7 | 1 | 152 | 1 | 8.10 | 2.95 | 2.75 | 0.49 | 21.7 | 7.9 | 1.06 | .245 | 2.21 | 6.63 | |
| 7 | | B. Garrett | 1.80 | 2026 | 1 | 1 | 0 | 1.000 | 0 | 2 | 0 | 0 | 0 | 5.0 | 4 | 1 | 1 | 0 | 3 | 1 | 0 | 0 | 21 | 0 | 3.60 | 5.40 | 0.67 | 0.00 | 9.5 | 14.3 | 1.40 | .267 | 1.80 | 7.20 | |
| 8 | | B. Brown | 2.10 | 2026 | 12 | 1 | 1 | .500 | 0 | 24 | 0 | 0 | 1 | 25.2 | 18 | 6 | 8 | 1 | 8 | 0 | 2 | 0 | 101 | 4 | 8.42 | 2.81 | 3.00 | 0.35 | 23.8 | 7.9 | 1.01 | .250 | 2.81 | 6.31 | |
| 9 | | J. Wicks | 2.25 | 2026 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 4.0 | 5 | 1 | 1 | 0 | 1 | 0 | 2 | 0 | 16 | 0 | 4.50 | 2.25 | 2.00 | 0.00 | 12.5 | 6.3 | 1.50 | .385 | 2.25 | 11.25 | ||
| 10 | | G. Hollowell | 2.45 | 2026 | 15 | 0 | 0 | 0 | 13 | 0 | 0 | 1 | 14.2 | 11 | 4 | 5 | 2 | 9 | 1 | 3 | 0 | 64 | 2 | 7.98 | 5.52 | 1.44 | 1.23 | 20.3 | 14.1 | 1.36 | .231 | 3.07 | 6.75 | ||
| 11 | | R. Martin | 2.45 | 2026 | 7 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 7.1 | 5 | 2 | 2 | 1 | 2 | 0 | 2 | 0 | 28 | 0 | 11.05 | 2.45 | 4.50 | 1.23 | 32.1 | 7.1 | 0.95 | .250 | 2.45 | 6.14 | ||
| 12 | | R. Rolison | 3.17 | 2026 | 58 | 9 | 2 | .818 | 0 | 53 | 0 | 0 | 3 | 59.2 | 51 | 21 | 23 | 5 | 28 | 0 | 15 | 1 | 245 | 5 | 7.99 | 4.22 | 1.89 | 0.75 | 21.6 | 11.4 | 1.32 | .289 | 3.47 | 7.69 | |
| 13 | | T. Thornton | 3.35 | 2026 | 48 | 5 | 5 | .500 | 0 | 31 | 0 | 0 | 3 | 48.1 | 41 | 18 | 21 | 8 | 17 | 3 | 13 | 2 | 196 | 1 | 5.77 | 3.17 | 1.82 | 1.49 | 15.8 | 8.7 | 1.20 | .241 | 3.91 | 7.63 | |
| 14 | | J. Webb | 3.36 | 2026 | 68 | 6 | 5 | .545 | 0 | 73 | 0 | 0 | 9 | 67.0 | 59 | 25 | 28 | 10 | 25 | 1 | 27 | 0 | 284 | 0 | 9.81 | 3.36 | 2.92 | 1.34 | 25.7 | 8.8 | 1.25 | .280 | 3.76 | 7.93 | |
| 15 | | H. Milner | 3.53 | 2026 | 38 | 1 | 0 | 1.000 | 0 | 18 | 0 | 0 | 1 | 35.2 | 34 | 14 | 14 | 4 | 9 | 3 | 7 | 1 | 149 | 0 | 4.54 | 2.27 | 2.00 | 1.01 | 12.1 | 6.0 | 1.21 | .261 | 3.53 | 8.58 | |
| 16 | | T. Ferguson | 3.63 | 2026 | 17 | 0 | 1 | .000 | 0 | 20 | 0 | 0 | 0 | 17.1 | 11 | 7 | 7 | 4 | 4 | 3 | 5 | 0 | 70 | 0 | 10.38 | 2.08 | 5.00 | 2.08 | 28.6 | 5.7 | 0.87 | .179 | 3.63 | 5.71 | |
| 17 | | D. Palencia | 3.64 | 2026 | 32 | 2 | 2 | .500 | 0 | 30 | 0 | 0 | 3 | 29.2 | 25 | 12 | 13 | 4 | 11 | 1 | 15 | 1 | 123 | 0 | 9.10 | 3.34 | 2.73 | 1.21 | 24.4 | 8.9 | 1.21 | .273 | 3.94 | 7.58 | |
| 18 | | J. Assad | 3.82 | 2026 | 17 | 2 | 1 | .667 | 0 | 25 | 0 | 0 | 2 | 37.2 | 31 | 16 | 17 | 6 | 9 | 3 | 6 | 1 | 151 | 1 | 5.97 | 2.15 | 2.78 | 1.43 | 16.6 | 6.0 | 1.06 | .231 | 4.06 | 7.41 | |
| 19 | | C. Rea | 3.96 | 2026 | 15 | 1 | 1 | .500 | 0 | 26 | 0 | 0 | 2 | 36.1 | 34 | 16 | 16 | 6 | 10 | 1 | 10 | 0 | 151 | 0 | 6.44 | 2.48 | 2.60 | 1.49 | 17.2 | 6.6 | 1.21 | .259 | 3.96 | 8.42 | |
| 20 | | E. Roberts | 4.21 | 2026 | 23 | 0 | 2 | .000 | 0 | 17 | 0 | 0 | 0 | 25.2 | 22 | 12 | 14 | 3 | 14 | 3 | 5 | 0 | 110 | 0 | 5.96 | 4.91 | 1.21 | 1.05 | 15.5 | 12.7 | 1.40 | .260 | 4.91 | 7.71 | |
| 21 | | R. Zeferjahn | 4.50 | 2026 | 20 | 0 | 1 | .000 | 0 | 19 | 0 | 0 | 3 | 18.0 | 19 | 9 | 10 | 2 | 8 | 1 | 7 | 2 | 80 | 3 | 9.50 | 4.00 | 2.38 | 1.00 | 23.8 | 10.0 | 1.50 | .340 | 5.00 | 9.50 | |
| 22 | | A. Wantz | 4.50 | 2026 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 3 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 9 | 0 | 0.00 | 4.50 | 0.00 | 0.00 | 0.0 | 11.1 | 2.00 | .375 | 4.50 | 13.50 | ||
| 23 | | C. Thielbar | 4.86 | 2026 | 58 | 3 | 4 | .429 | 0 | 60 | 0 | 0 | 3 | 50.0 | 47 | 27 | 30 | 11 | 18 | 1 | 9 | 3 | 212 | 1 | 10.80 | 3.24 | 3.33 | 1.98 | 28.3 | 8.5 | 1.30 | .295 | 5.40 | 8.46 | |
| 24 | | C. Kelly | 6.00 | 2026 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 4 | 2 | 2 | 2 | 0 | 0 | 3 | 0 | 13 | 0 | 0.00 | 0.00 | 6.00 | 0.0 | 0.0 | 1.33 | .182 | 6.00 | 12.00 | |||
| 25 | | P. Maton | 6.18 | 2026 | 31 | 0 | 1 | .000 | 0 | 31 | 0 | 0 | 0 | 27.2 | 34 | 19 | 19 | 5 | 16 | 5 | 4 | 0 | 136 | 1 | 10.08 | 5.20 | 1.94 | 1.63 | 22.8 | 11.8 | 1.81 | .367 | 6.18 | 11.06 | |
StatMuse 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.
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More Cubs Stats
Team Batting Leaders 
RBI
1
Hoerner
AVG
1.000
Taylor
Team Pitching Leaders 
K
4
Boyd
ERA
0.00
Peterson
Team Rankings
HR
220
3rd
R
850
1st
SO
1,260
26th
ERA
4.12
14th
Pirates
Cardinals
Reds
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Braves - y | 94 | 68 | .580 | |
 Phillies - w | 88 | 74 | .543 | 6.0 |
80 | 82 | .494 | 14.0 | |
77 | 85 | .475 | 17.0 | |
74 | 88 | .457 | 20.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 103 | 59 | .636 | |
 Cubs - w | 89 | 73 | .549 | 14.0 |
82 | 80 | .506 | 21.0 | |
77 | 85 | .475 | 26.0 | |
75 | 87 | .463 | 28.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 100 | 62 | .617 | |
 Padres - w | 91 | 71 | .562 | 9.0 |
86 | 76 | .531 | 14.0 | |
65 | 97 | .401 | 35.0 | |
58 | 104 | .358 | 42.0 |
Marlins
Nationals
Mets
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Rays - y | 98 | 64 | .605 | |
 Yankees - w | 93 | 68 | .578 | 4.5 |
 Red Sox - w | 87 | 75 | .537 | 11.0 |
79 | 82 | .491 | 18.5 | |
79 | 83 | .488 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 85 | 77 | .525 | |
 White Sox - w | 84 | 78 | .519 | 1.0 |
77 | 85 | .475 | 8.0 | |
76 | 86 | .469 | 9.0 | |
69 | 93 | .426 | 16.0 | |
| AL West | W | L | PCT | GB |
 Astros - y | 81 | 81 | .500 | |
80 | 82 | .494 | 1.0 | |
76 | 86 | .469 | 5.0 | |
64 | 98 | .395 | 17.0 | |
62 | 100 | .383 | 19.0 |
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Blue Jays
Twins
Tigers
Royals
Rangers
Mariners
Athletics
Angels