Blair Henley walked the highest walks per nine innings by a starting pitcher in 2024, with 81.00 BB/9 in his rookie season.
| NAME | BB/9 | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | B. Henley | 81.00 | 2024 |  HOU | 1 | 0 | 0 | 1 | 135.00 | 0 | 0 | 0 | 0 | 0.1 | 4 | 5 | 5 | 0 | 3 | 1 | 0 | 0 | 9 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 33.3 | 21.00 | .800 | 135.00 | 108.00 | |
| 2 |  | D. Altavilla | 54.00 | 2024 |  KCR | 1 | 0 | 1 | .000 | 1 | 135.00 | 1 | 0 | 0 | 0 | 0.1 | 3 | 5 | 5 | 0 | 2 | 0 | 0 | 0 | 6 | 0 | 27.00 | 0.50 | 0.00 | 16.7 | 33.3 | 15.00 | 1.000 | 135.00 | 81.00 |
| 3 |  | H. Bigge | 27.00 | 2024 |  TBR | 1 | 0 | 0 | 1 | 0.00 | 1 | 0 | 0 | 0 | 0.2 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 5 | 0 | 13.50 | 0.50 | 0.00 | 20.0 | 40.0 | 4.50 | .500 | 0.00 | 13.50 | |
| 4 |  | S. Okert | 27.00 | 2024 |  MIN | 1 | 0 | 0 | 1 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 33.3 | 6.00 | .500 | 0.00 | 27.00 | |
| 5 |  | N. Sandlin | 18.00 | 2024 |  CLE | 1 | 0 | 0 | 1 | 0.00 | 2 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 5 | 0 | 18.00 | 1.00 | 0.00 | 40.0 | 40.0 | 2.00 | .000 | 0.00 | 0.00 | |
| 6 |  | A. Molina | 16.20 | 2024 |  COL | 1 | 0 | 0 | 1 | 16.20 | 0 | 0 | 0 | 0 | 1.2 | 2 | 3 | 3 | 0 | 3 | 1 | 0 | 0 | 10 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 30.0 | 3.00 | .333 | 16.20 | 10.80 | |
| 7 |  | C. Anderson | 16.20 | 2024 |  BOS | 1 | 0 | 1 | .000 | 1 | 27.00 | 0 | 0 | 0 | 0 | 1.2 | 3 | 5 | 5 | 2 | 3 | 1 | 0 | 0 | 12 | 0 | 0.00 | 0.00 | 10.80 | 0.0 | 25.0 | 3.60 | .167 | 27.00 | 16.20 |
| 8 |  | S. Johnson | 11.57 | 2024 |  PHI | 1 | 0 | 1 | .000 | 1 | 34.71 | 0 | 0 | 0 | 0 | 2.1 | 8 | 9 | 9 | 1 | 3 | 0 | 0 | 0 | 18 | 0 | 0.00 | 0.00 | 3.86 | 0.0 | 16.7 | 4.71 | .500 | 34.71 | 30.86 |
| 9 |  | A.J. Puk | 11.20 | 2024 |  MIA | 4 | 0 | 4 | .000 | 4 | 9.22 | 12 | 0 | 0 | 0 | 13.2 | 19 | 14 | 17 | 1 | 17 | 1 | 0 | 0 | 77 | 1 | 7.90 | 0.71 | 0.66 | 15.6 | 22.1 | 2.63 | .391 | 11.20 | 12.51 |
| 10 |  | H. Waldrep | 10.29 | 2024 |  ATL | 2 | 0 | 1 | .000 | 2 | 16.71 | 3 | 0 | 0 | 0 | 7.0 | 9 | 13 | 13 | 3 | 8 | 1 | 0 | 0 | 36 | 0 | 3.86 | 0.38 | 3.86 | 8.3 | 22.2 | 2.43 | .286 | 16.71 | 11.57 |
| 11 | | J. Bowlan | 10.13 | 2024 | KCR | 1 | 0 | 1 | .000 | 1 | 13.50 | 3 | 0 | 0 | 0 | 2.2 | 6 | 4 | 4 | 3 | 3 | 0 | 0 | 0 | 17 | 0 | 10.13 | 1.00 | 10.13 | 17.6 | 17.6 | 3.38 | .375 | 13.50 | 20.25 |
| 12 |  | A. Faedo | 9.72 | 2024 |  DET | 6 | 0 | 1 | .000 | 6 | 2.16 | 11 | 0 | 0 | 0 | 8.1 | 6 | 2 | 2 | 0 | 9 | 1 | 0 | 0 | 40 | 0 | 11.88 | 1.22 | 0.00 | 27.5 | 22.5 | 1.80 | .316 | 2.16 | 6.48 |
| 13 |  | N. Pearson | 9.00 | 2024 |  CHC | 1 | 0 | 0 | 1 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 25.0 | 2.00 | .333 | 0.00 | 9.00 | |
| 14 |  | T. Santillan | 9.00 | 2024 |  CIN | 1 | 0 | 0 | 1 | 0.00 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 0.00 | 0.00 | 0.00 | 0.0 | 25.0 | 1.00 | .000 | 0.00 | 0.00 | |
| 15 | | G. Márquez | 9.00 | 2024 | COL | 1 | 0 | 0 | 1 | 6.75 | 3 | 0 | 0 | 0 | 4.0 | 5 | 3 | 3 | 1 | 4 | 0 | 0 | 0 | 20 | 0 | 6.75 | 0.75 | 2.25 | 15.0 | 20.0 | 2.25 | .333 | 6.75 | 11.25 | |
| 16 |  | C. Mena | 9.00 | 2024 |  ARI | 1 | 0 | 0 | 1 | 12.00 | 2 | 0 | 0 | 0 | 3.0 | 4 | 4 | 4 | 2 | 3 | 0 | 0 | 0 | 15 | 0 | 6.00 | 0.67 | 6.00 | 13.3 | 20.0 | 2.33 | .250 | 12.00 | 12.00 | |
| 17 |  | S. Howard | 9.00 | 2024 | TOT | 3 | 0 | 2 | .000 | 3 | 8.10 | 7 | 0 | 0 | 0 | 10.0 | 17 | 9 | 9 | 1 | 10 | 0 | 0 | 0 | 56 | 0 | 6.30 | 0.70 | 0.90 | 12.5 | 17.9 | 2.70 | .421 | 8.10 | 15.30 |
| 18 |  | N. Nastrini | 8.91 | 2024 |  CWS | 8 | 0 | 7 | .000 | 8 | 7.79 | 24 | 0 | 0 | 0 | 32.1 | 31 | 28 | 33 | 7 | 32 | 1 | 0 | 0 | 160 | 3 | 6.68 | 0.75 | 1.95 | 15.0 | 20.0 | 1.95 | .250 | 9.19 | 8.63 |
| 19 | | K. Bush | 8.15 | 2024 | CWS | 4 | 0 | 3 | .000 | 4 | 5.60 | 11 | 0 | 0 | 0 | 17.2 | 20 | 11 | 11 | 2 | 16 | 1 | 0 | 1 | 87 | 2 | 5.60 | 0.69 | 1.02 | 12.6 | 18.4 | 2.04 | .316 | 5.60 | 10.19 |
| 20 |  | A. Ashby | 7.27 | 2024 |  MIL | 2 | 0 | 2 | .000 | 2 | 6.23 | 5 | 0 | 0 | 0 | 8.2 | 8 | 6 | 10 | 2 | 7 | 0 | 0 | 0 | 43 | 0 | 5.19 | 0.71 | 2.08 | 11.6 | 16.3 | 1.73 | .207 | 10.38 | 8.31 |
| 21 |  | G. Garabito | 7.11 | 2024 |  TEX | 2 | 0 | 1 | .000 | 2 | 4.26 | 3 | 0 | 0 | 0 | 6.1 | 5 | 3 | 3 | 0 | 5 | 0 | 0 | 0 | 27 | 0 | 4.26 | 0.60 | 0.00 | 11.1 | 18.5 | 1.58 | .263 | 4.26 | 7.11 |
| 22 |  | R. Contreras | 7.04 | 2024 |  LAA | 3 | 0 | 1 | .000 | 3 | 8.22 | 4 | 0 | 0 | 0 | 7.2 | 12 | 7 | 8 | 1 | 6 | 0 | 0 | 1 | 40 | 0 | 4.70 | 0.67 | 1.17 | 10.0 | 15.0 | 2.35 | .379 | 9.39 | 14.09 |
| 23 |  | J. Lucchesi | 6.97 | 2024 |  NYM | 2 | 0 | 2 | .000 | 2 | 5.23 | 7 | 0 | 0 | 0 | 10.1 | 8 | 6 | 6 | 1 | 8 | 0 | 0 | 0 | 46 | 1 | 6.10 | 0.88 | 0.87 | 15.2 | 17.4 | 1.55 | .233 | 5.23 | 6.97 |
| 24 |  | J. Boyle | 6.96 | 2024 |  OAK | 10 | 2 | 6 | .250 | 10 | 6.54 | 49 | 0 | 0 | 0 | 42.2 | 39 | 31 | 32 | 4 | 33 | 2 | 0 | 0 | 200 | 7 | 10.34 | 1.48 | 0.84 | 24.5 | 16.5 | 1.69 | .313 | 6.75 | 8.23 |
| 25 | | S. Aldegheri | 6.92 | 2024 | LAA | 3 | 1 | 2 | .333 | 3 | 4.85 | 10 | 0 | 0 | 0 | 13.0 | 15 | 7 | 12 | 2 | 10 | 2 | 0 | 0 | 67 | 2 | 6.92 | 1.00 | 1.38 | 14.9 | 14.9 | 1.92 | .302 | 8.31 | 10.38 |
StatMuse has game-level data for BB/9 going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
Mariners 
Cardinals 
Padres 
Dodgers 
Yankees 
BAL 
WSH 
PIT 
