47 pitchers are tied for allowing the fewest walks by a starting pitcher in a season, with 0 allowed. The first three are Tanner Banks and Rob Zastryzny this season and in 2024 and Jordan Leasure this season.
| NAME | BB | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | T. Banks | 0 | 2025 |  PHI | 1 | 0 | 0 | 1 | 0.00 | 2 | 0 | 0 | 0 | 2.0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 9.00 | 0.00 | 0.00 | 25.0 | 0.0 | 1.00 | .333 | 0.00 | 9.00 | ||
| 2 | | J. Leasure | 0 | 2025 |  CWS | 1 | 0 | 0 | 1 | 9.00 | 1 | 0 | 0 | 0 | 1.0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 4 | 0 | 9.00 | 0.00 | 9.00 | 25.0 | 0.0 | 1.00 | .000 | 9.00 | 9.00 | ||
| 3 | | B. Ashcraft | 0 | 2025 |  PIT | 1 | 0 | 0 | 1 | 0.00 | 2 | 0 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 6.00 | 0.00 | 0.00 | 20.0 | 0.0 | 0.33 | .125 | 0.00 | 3.00 | ||
| 4 | | A. Winans | 0 | 2025 |  NYY | 1 | 0 | 1 | .000 | 1 | 8.31 | 1 | 0 | 0 | 0 | 4.1 | 5 | 4 | 4 | 1 | 2 | 0 | 0 | 19 | 0 | 2.08 | 0.00 | 2.08 | 5.3 | 0.0 | 1.15 | .267 | 8.31 | 10.38 | |
| 5 | | D. Coulombe | 0 | 2025 |  MIN | 1 | 0 | 0 | 1 | 9.00 | 2 | 0 | 0 | 0 | 1.0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 18.00 | 0.00 | 0.00 | 40.0 | 0.0 | 2.00 | .667 | 9.00 | 18.00 | ||
| 6 | | J. Junk | 0 | 2025 |  MIA | 2 | 1 | 0 | 1.000 | 2 | 6.23 | 6 | 0 | 0 | 0 | 8.2 | 13 | 6 | 6 | 1 | 0 | 0 | 0 | 39 | 0 | 6.23 | 0.00 | 1.04 | 15.4 | 0.0 | 1.50 | .375 | 6.23 | 13.50 | |
| 7 | | G. Taylor | 0 | 2025 | CWS | 1 | 0 | 0 | 1 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 9.00 | 0.00 | 0.00 | 33.3 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | ||
| 8 | | E. Sheehan | 0 | 2025 |  LAD | 1 | 0 | 0 | 1 | 2.25 | 6 | 0 | 0 | 0 | 4.0 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 15 | 0 | 13.50 | 0.00 | 0.00 | 40.0 | 0.0 | 0.75 | .333 | 2.25 | 6.75 | ||
| 9 | | L. Trivino | 0 | 2025 | LAD | 2 | 0 | 0 | 2 | 4.50 | 1 | 0 | 0 | 0 | 2.0 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 8 | 1 | 4.50 | 0.00 | 0.00 | 12.5 | 0.0 | 1.00 | .333 | 4.50 | 9.00 | ||
| 10 | | A. Veneziano | 0 | 2025 | MIA | 1 | 0 | 0 | 1 | 0.00 | 2 | 0 | 0 | 0 | 2.0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 9.00 | 0.00 | 0.00 | 22.2 | 0.0 | 1.50 | .429 | 0.00 | 13.50 | ||
| 11 | | R. Rolison | 0 | 2025 |  COL | 1 | 0 | 0 | 1 | 0.00 | 1 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 9.00 | 0.00 | 0.00 | 25.0 | 0.0 | 1.00 | .333 | 0.00 | 9.00 | ||
| 12 | | J. Sterner | 0 | 2025 |  ATH | 1 | 0 | 1 | .000 | 1 | 9.00 | 1 | 0 | 0 | 0 | 1.0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 4 | 0 | 9.00 | 0.00 | 9.00 | 25.0 | 0.0 | 1.00 | .000 | 9.00 | 9.00 | |
| 13 | | D. Pomeranz | 0 | 2025 |  CHC | 2 | 0 | 0 | 2 | 0.00 | 1 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 4.50 | 0.00 | 0.00 | 16.7 | 0.0 | 0.50 | .200 | 0.00 | 4.50 | ||
| 14 | | K. Allard | 0 | 2025 |  CLE | 1 | 0 | 0 | 1 | 4.50 | 3 | 0 | 0 | 0 | 4.0 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 16 | 0 | 6.75 | 0.00 | 0.00 | 18.8 | 0.0 | 1.00 | .308 | 4.50 | 9.00 | ||
| 15 | | P. Schultz | 0 | 2025 |  TOR | 2 | 0 | 0 | 2 | 5.79 | 5 | 0 | 0 | 0 | 4.2 | 5 | 3 | 3 | 1 | 0 | 0 | 0 | 19 | 0 | 9.64 | 0.00 | 1.93 | 26.3 | 0.0 | 1.07 | .308 | 5.79 | 9.64 | ||
| 16 | | S. Reynolds | 0 | 2025 |  SDP | 1 | 0 | 1 | .000 | 1 | 10.13 | 1 | 0 | 0 | 0 | 2.2 | 6 | 3 | 3 | 1 | 1 | 0 | 0 | 14 | 0 | 3.38 | 0.00 | 3.38 | 7.1 | 0.0 | 2.25 | .455 | 10.13 | 20.25 | |
| 17 | | R. Zastryzny | 0 | 2025 |  MIL | 1 | 0 | 0 | 1 | 0.00 | 2 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 18.00 | 0.00 | 0.00 | 66.7 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | ||
| 18 | | S. Guenther | 0 | 2025 |  DET | 1 | 0 | 1 | .000 | 1 | 27.00 | 0 | 0 | 0 | 0 | 0.1 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 9.00 | 1.000 | 27.00 | 81.00 | |
| 19 | | T. Holton | 0 | 2025 | DET | 4 | 0 | 1 | .000 | 4 | 8.44 | 6 | 0 | 0 | 0 | 5.1 | 6 | 5 | 5 | 3 | 0 | 0 | 0 | 21 | 0 | 10.13 | 0.00 | 5.06 | 28.6 | 0.0 | 1.13 | .250 | 8.44 | 10.13 | |
| 20 | | B. Keller | 0 | 2025 | CHC | 1 | 0 | 0 | 1 | 0.00 | 2 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 18.00 | 0.00 | 0.00 | 66.7 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | ||
| 21 | | B. Eisert | 0 | 2025 | CWS | 2 | 0 | 0 | 2 | 4.50 | 1 | 0 | 0 | 0 | 2.0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 8 | 0 | 4.50 | 0.00 | 0.00 | 12.5 | 0.0 | 1.00 | .286 | 4.50 | 9.00 | ||
| 22 | | J. Topa | 0 | 2025 | MIN | 1 | 0 | 0 | 1 | 9.00 | 1 | 0 | 0 | 0 | 1.0 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 9.00 | 0.00 | 0.00 | 16.7 | 0.0 | 3.00 | .600 | 9.00 | 27.00 | ||
| 23 | | S. Matz | 0 | 2025 |  STL | 2 | 1 | 0 | 1.000 | 2 | 1.00 | 11 | 0 | 0 | 0 | 9.0 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 34 | 0 | 11.00 | 0.00 | 0.00 | 32.4 | 0.0 | 0.78 | .304 | 1.00 | 7.00 | |
| 24 | | M. Bowman | 0 | 2024 |  BAL | 1 | 0 | 0 | 1 | 0.00 | 2 | 0 | 0 | 0 | 1.1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 13.50 | 0.00 | 0.00 | 40.0 | 0.0 | 0.75 | .333 | 0.00 | 6.75 | ||
| 25 | | A. Walters | 0 | 2024 | CLE | 1 | 0 | 0 | 1 | 0.00 | 0 | 0 | 0 | 0 | 1.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 0.0 | 0.00 | .000 | 0.00 | 0.00 | ||
StatMuse has game-level data for walks allowed going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
Mets 
Braves 
Nationals 
CIN 
Rays 
Astros 
Mariners 
LAA 
AZ 
