career regular season statistics    
  
  | Year | Team | League | 
          W           
            Wins           
         | 
        
          L           
            Losses           
         | 
        
          ERA           
            Earned Run Average           
         | 
        
          G           
            Games           
         | 
        
          GS           
            Games Started           
         | 
        
          CG           
            Complete Games           
         | 
        
          SHO           
            Shutouts           
         | 
        
          SV           
            Saves           
         | 
        
          HLD           
            Holds           
         | 
        
          IP           
            Innings Pitched           
         | 
        
          H           
            Hits Allowed           
         | 
        
          R           
            Runs Allowed           
         | 
        
          ER           
            Earned Runs           
         | 
        
          HR           
            Home Runs Allowed           
         | 
        
          BB           
            Walks           
         | 
        
          SO           
            Strikeouts           
         | 
        
          WHIP           
            Walks and Hits Per Inning Pitched           
         | 
      
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | Boston | AL | 0 | 3 | 8.04 | 9 | 9 | 0 | 0 | 0 | 0 | 43.2 | 57 | 41 | 39 | 10 | 17 | 32 | 1.69 | 
| 2024 | Boston | AL | 9 | 10 | 3.12 | 30 | 30 | 1 | 1 | 0 | 0 | 178.2 | 156 | 75 | 62 | 11 | 48 | 154 | 1.14 | 
| 2023 | Boston | AL | 6 | 10 | 5.01 | 21 | 21 | 0 | 0 | 0 | 0 | 106 | 104 | 61 | 59 | 14 | 41 | 99 | 1.37 | 
| 2023 | Worcester | AAA | 0 | 0 | 2.08 | 3 | 3 | 0 | 0 | 0 | 8.2 | 5 | 2 | 2 | 0 | 3 | 10 | 0.92 | |
| 2022 | Boston | AL | 5 | 4 | 3.15 | 32 | 4 | 0 | 8 | 1 | 60 | 49 | 22 | 21 | 3 | 22 | 56 | 1.18 | |
| 2021 | Boston | AL | 1 | 5 | 3.52 | 18 | 13 | 0 | 0 | 1 | 1 | 69 | 57 | 32 | 27 | 4 | 21 | 87 | 1.13 | 
| 2021 | Worcester | AAA | 0 | 2 | 5.14 | 6 | 6 | 0 | 0 | 0 | 21 | 19 | 13 | 12 | 1 | 7 | 26 | 1.24 | |
| 2020 | Boston | AL | 3 | 0 | 0.53 | 3 | 3 | 0 | 0 | 0 | 0 | 17 | 6 | 2 | 1 | 1 | 9 | 21 | 0.88 | 
| 2019 | Pawtucket | AAA | 0 | 0 | 3.24 | 16 | 2 | 0 | 0 | 1 | 5 | 25 | 19 | 11 | 9 | 3 | 14 | 27 | 1.32 | 
| 2019 | Portland | AA | 8 | 6 | 4.25 | 17 | 15 | 1 | 1 | 0 | 0 | 82.2 | 86 | 41 | 39 | 4 | 32 | 80 | 1.43 | 
| 2018 | Salem | A | 7 | 11 | 4.24 | 23 | 23 | 0 | 0 | 0 | 119 | 110 | 68 | 56 | 11 | 60 | 111 | 1.43 | |
| 2017 | Lowell | R | 0 | 3 | 3.63 | 10 | 10 | 0 | 0 | 0 | 0 | 22.1 | 21 | 14 | 9 | 0 | 8 | 25 | 1.3 | 
| 2017 | Missouri | NCAA | 4 | 7 | 3.33 | 14 | 14 | 3 | 0 | 94.2 | 78 | 45 | 35 | 24 | 95 | 1.08 | |||
| 2016 | Missouri | NCAA | 5 | 6 | 2.99 | 15 | 15 | 3 | 0 | 105.1 | 82 | 46 | 35 | 27 | 106 | 1.03 | |||
| 2015 | Missouri | NCAA | 8 | 5 | 3.49 | 15 | 15 | 1 | 0 | 100.2 | 89 | 40 | 39 | 12 | 91 | 1 | |||
| Total | AL | 24 | 32 | 3.97 | 113 | 80 | 1 | 1 | 9 | 2 | 474.1 | 429 | 233 | 209 | 43 | 158 | 449 | 1.24 | |
| Total | AAA | 0 | 2 | 4.11 | 22 | 8 | 0 | 0 | 1 | 5 | 46 | 38 | 24 | 21 | 4 | 21 | 53 | 1.28 | |
| Total | AA | 8 | 6 | 4.25 | 17 | 15 | 1 | 1 | 0 | 0 | 82.2 | 86 | 41 | 39 | 4 | 32 | 80 | 1.43 | |
| Total | A | 7 | 11 | 4.24 | 23 | 23 | 0 | 0 | 0 | 119 | 110 | 68 | 56 | 11 | 60 | 111 | 1.43 | ||
| Total | R | 0 | 3 | 3.63 | 10 | 10 | 0 | 0 | 0 | 0 | 22.1 | 21 | 14 | 9 | 0 | 8 | 25 | 1.3 | |
| Total | NCAA | 17 | 18 | 3.26 | 44 | 44 | 7 | 0 | 300.2 | 249 | 131 | 109 | 63 | 292 | 1.04 |