MLB Leaders |
AL Leaders: Earned Run Average
| Rank | Name | Team | GP | GS | W | L | S | IP | H | R | ER | BB | K | Hld | BS | WHIP | ERA |
| 1 | C. Rodón | CWS | 3 | 3 | 3 | 0 | 0 | 19.0 | 5 | 2 | 1 | 8 | 24 | 0 | 0 | 0.68 | 0.47 |
| 2 | D. Duffy | KC | 3 | 3 | 2 | 1 | 0 | 18.0 | 14 | 3 | 1 | 6 | 19 | 0 | 0 | 1.11 | 0.50 |
| 3 | T. Glasnow | TB | 4 | 4 | 2 | 0 | 0 | 24.2 | 9 | 2 | 2 | 7 | 36 | 0 | 0 | 0.65 | 0.73 |
| 4 | L. Lynn | CWS | 3 | 3 | 1 | 1 | 0 | 19.2 | 16 | 4 | 2 | 2 | 27 | 0 | 0 | 0.92 | 0.92 |
| 5 | M. Pineda | Min | 3 | 3 | 1 | 0 | 0 | 18.0 | 10 | 3 | 2 | 3 | 17 | 0 | 0 | 0.72 | 1.00 |
| 6 | S. Matz | Tor | 3 | 3 | 3 | 0 | 0 | 18.1 | 9 | 3 | 3 | 6 | 18 | 0 | 0 | 0.82 | 1.47 |
| 7 | J. Means | Bal | 4 | 4 | 1 | 0 | 0 | 23.2 | 16 | 4 | 4 | 6 | 23 | 0 | 0 | 0.93 | 1.52 |
| 8 | G. Cole | NYY | 4 | 4 | 2 | 1 | 0 | 24.2 | 17 | 6 | 5 | 3 | 39 | 0 | 0 | 0.81 | 1.82 |
| 9 | M. Boyd | Det | 4 | 4 | 2 | 1 | 0 | 26.2 | 20 | 6 | 6 | 6 | 19 | 0 | 0 | 0.98 | 2.03 |
| 10 | A. Civale | Cle | 3 | 3 | 3 | 0 | 0 | 20.2 | 10 | 5 | 5 | 5 | 16 | 0 | 0 | 0.73 | 2.18 |
| 11 | K. Arihara | Tex | 4 | 4 | 2 | 1 | 0 | 20.1 | 16 | 6 | 5 | 3 | 13 | 0 | 0 | 0.93 | 2.21 |
| 12 | S. Bieber | Cle | 4 | 4 | 2 | 1 | 0 | 29.1 | 17 | 8 | 8 | 10 | 48 | 0 | 0 | 0.92 | 2.45 |
| 13 | K. Gibson | Tex | 4 | 4 | 2 | 0 | 0 | 21.1 | 18 | 7 | 6 | 6 | 18 | 0 | 0 | 1.13 | 2.53 |
| 14 | Z. Greinke | Hou | 4 | 4 | 2 | 1 | 0 | 25.2 | 22 | 8 | 8 | 4 | 16 | 0 | 0 | 1.01 | 2.81 |
| 15t | H. Ryu | Tor | 4 | 4 | 1 | 2 | 0 | 24.0 | 23 | 9 | 8 | 2 | 21 | 0 | 0 | 1.04 | 3.00 |
| 15t | J. Berríos | Min | 4 | 4 | 2 | 2 | 0 | 21.0 | 13 | 7 | 7 | 7 | 30 | 0 | 0 | 0.95 | 3.00 |
| 17t | N. Eovaldi | Bos | 4 | 4 | 3 | 1 | 0 | 23.2 | 21 | 8 | 8 | 4 | 24 | 0 | 0 | 1.06 | 3.04 |
| 17t | S. Manaea | Oak | 4 | 4 | 2 | 1 | 0 | 23.2 | 23 | 8 | 8 | 5 | 22 | 0 | 0 | 1.18 | 3.04 |
| 19 | C. Mize | Det | 3 | 3 | 1 | 1 | 0 | 16.0 | 16 | 6 | 6 | 4 | 13 | 0 | 0 | 1.25 | 3.38 |
| 20t | J. Montgomery | NYY | 3 | 3 | 1 | 1 | 0 | 17.0 | 11 | 8 | 8 | 4 | 18 | 0 | 0 | 0.88 | 4.24 |
| 20t | B. Zimmermann | Bal | 3 | 3 | 1 | 1 | 0 | 17.0 | 17 | 8 | 8 | 5 | 11 | 0 | 0 | 1.29 | 4.24 |
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