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 | Toronto | AL | 10 | 11 | 3.59 | 32 | 32 | 1 | 1 | 0 | 0 | 193 | 155 | 79 | 77 | 21 | 50 | 189 | 1.06 | 
| 2024 | Toronto | AL | 14 | 11 | 3.83 | 31 | 31 | 2 | 1 | 0 | 0 | 181 | 165 | 86 | 77 | 20 | 56 | 162 | 1.22 | 
| 2023 | Toronto | AL | 12 | 9 | 3.16 | 31 | 31 | 0 | 0 | 0 | 0 | 185 | 163 | 72 | 65 | 19 | 55 | 237 | 1.18 | 
| 2022 | Toronto | AL | 12 | 10 | 3.35 | 31 | 31 | 0 | 0 | 0 | 0 | 174.2 | 188 | 72 | 65 | 15 | 28 | 205 | 1.24 | 
| 2021 | San Francisco | NL | 14 | 6 | 2.81 | 33 | 33 | 0 | 0 | 0 | 0 | 192 | 150 | 66 | 60 | 20 | 50 | 227 | 1.04 | 
| 2020 | San Francisco | NL | 3 | 3 | 3.62 | 12 | 10 | 0 | 0 | 0 | 0 | 59.2 | 50 | 26 | 24 | 8 | 16 | 79 | 1.11 | 
| 2019 | Cincinnati | NL | 0 | 2 | 4.03 | 15 | 1 | 0 | 0 | 0 | 2 | 22.1 | 21 | 11 | 10 | 3 | 5 | 29 | 1.16 | 
| 2019 | Atlanta | NL | 3 | 7 | 6.19 | 16 | 16 | 0 | 0 | 0 | 0 | 80 | 92 | 60 | 55 | 12 | 27 | 85 | 1.49 | 
| 2019 | Total Atl/Cin | NL | 3 | 9 | 5.72 | 31 | 17 | 0 | 0 | 0 | 2 | 102.1 | 113 | 71 | 65 | 15 | 32 | 114 | 1.42 | 
| 2019 | Gwinnett | AAA | 0 | 1 | 2.57 | 1 | 1 | 0 | 0 | 0 | 0 | 7 | 6 | 3 | 2 | 1 | 1 | 10 | 1 | 
| 2019 | Mississippi | AA | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 6 | 3 | 1 | 0 | 0 | 0 | 3 | 0.5 | 
| 2019 | Florida | A | 0 | 1 | 5.4 | 1 | 1 | 0 | 0 | 0 | 0 | 5 | 5 | 3 | 3 | 1 | 1 | 6 | 1.2 | 
| 2018 | Atlanta | NL | 5 | 3 | 2.87 | 10 | 10 | 0 | 0 | 0 | 0 | 59.2 | 50 | 23 | 19 | 5 | 18 | 44 | 1.14 | 
| 2018 | Baltimore | AL | 5 | 8 | 4.43 | 21 | 21 | 0 | 0 | 0 | 0 | 124 | 139 | 62 | 61 | 21 | 32 | 104 | 1.38 | 
| 2018 | Total Bal/Atl | MLB | 10 | 11 | 3.92 | 31 | 31 | 0 | 0 | 0 | 0 | 183.2 | 189 | 85 | 80 | 26 | 50 | 148 | 1.3 | 
| 2017 | Baltimore | AL | 11 | 12 | 4.68 | 34 | 34 | 0 | 0 | 0 | 0 | 186.2 | 208 | 99 | 97 | 29 | 71 | 179 | 1.49 | 
| 2016 | Baltimore | AL | 9 | 12 | 3.61 | 30 | 30 | 0 | 0 | 0 | 0 | 179.2 | 183 | 76 | 72 | 28 | 47 | 174 | 1.28 | 
| 2016 | Norfolk | AAA | 0 | 1 | 4.76 | 1 | 1 | 0 | 0 | 0 | 0 | 5.2 | 4 | 3 | 3 | 0 | 2 | 9 | 1.06 | 
| 2016 | Bowie | AA | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 4 | 1 | 0 | 0 | 1 | 2 | 2.5 | 
| 2016 | Frederick | A | 0 | 1 | 2.7 | 1 | 1 | 0 | 0 | 0 | 0 | 3.1 | 4 | 2 | 1 | 0 | 2 | 8 | 1.8 | 
| 2015 | Baltimore | AL | 4 | 7 | 4.25 | 25 | 17 | 0 | 0 | 0 | 1 | 112.1 | 109 | 56 | 53 | 17 | 29 | 103 | 1.23 | 
| 2015 | Norfolk | AAA | 0 | 1 | 1.29 | 3 | 3 | 0 | 0 | 0 | 0 | 14 | 10 | 3 | 2 | 2 | 6 | 14 | 1.14 | 
| 2015 | Bowie | AA | 0 | 1 | 10.8 | 1 | 1 | 0 | 0 | 0 | 0 | 3.1 | 4 | 4 | 4 | 2 | 0 | 4 | 1.2 | 
| 2015 | Frederick | A | 0 | 0 | 1.8 | 2 | 2 | 0 | 0 | 0 | 0 | 5 | 2 | 1 | 1 | 1 | 0 | 6 | 0.4 | 
| 2014 | Baltimore | AL | 7 | 7 | 3.57 | 20 | 20 | 1 | 0 | 0 | 0 | 113.1 | 111 | 48 | 45 | 7 | 38 | 88 | 1.31 | 
| 2014 | Norfolk | AAA | 1 | 3 | 3.32 | 11 | 11 | 0 | 0 | 0 | 43.1 | 41 | 18 | 16 | 5 | 18 | 44 | 1.36 | |
| 2014 | Aberdeen | A | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | |
| 2013 | Baltimore | AL | 3 | 5 | 5.66 | 20 | 5 | 0 | 0 | 0 | 2 | 47.2 | 51 | 30 | 30 | 8 | 13 | 49 | 1.34 | 
| 2013 | Norfolk | AAA | 1 | 2 | 4.04 | 8 | 7 | 0 | 0 | 0 | 35.2 | 36 | 16 | 16 | 1 | 9 | 33 | 1.26 | |
| 2013 | Bowie | AA | 2 | 4 | 3.11 | 8 | 8 | 0 | 0 | 0 | 46.1 | 44 | 21 | 16 | 3 | 5 | 49 | 1.06 | |
| 2012 | Frederick | A | 0 | 1 | 6 | 3 | 3 | 0 | 0 | 0 | 9 | 10 | 6 | 6 | 3 | 1 | 8 | 1.22 | |
| 2012 | Aberdeen | A | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 6 | 1 | 0 | 0 | 0 | 0 | 5 | 0.17 | |
| 2012 | Lousiana State | NCAA | 12 | 2 | 2.77 | 18 | 17 | 2 | 0 | 0 | 123.2 | 106 | 42 | 38 | 3 | 28 | 135 | 1.08 | |
| 2011 | Lousiana State | NCAA | 5 | 6 | 3.51 | 14 | 14 | 1 | 1 | 0 | 89.2 | 70 | 37 | 35 | 5 | 23 | 86 | 1.04 | |
| Total | MLB | 112 | 113 | 3.81 | 361 | 322 | 4 | 2 | 0 | 5 | 1911 | 1835 | 866 | 810 | 233 | 535 | 1954 | 1.24 | |
| Total | AL | 87 | 92 | 3.86 | 275 | 252 | 4 | 2 | 0 | 3 | 1497.1 | 1472 | 680 | 642 | 185 | 419 | 1490 | 1.26 | |
| Total | NL | 25 | 21 | 3.66 | 86 | 70 | 0 | 0 | 0 | 2 | 413.2 | 363 | 186 | 168 | 48 | 116 | 464 | 1.16 | |
| Total | AAA | 2 | 8 | 3.32 | 24 | 23 | 0 | 0 | 0 | 105.2 | 97 | 43 | 39 | 9 | 36 | 110 | 1.26 | ||
| Total | AA | 2 | 6 | 3.12 | 11 | 11 | 0 | 0 | 0 | 57.2 | 55 | 27 | 20 | 5 | 6 | 58 | 1.06 | ||
| Total | A | 0 | 3 | 3.26 | 10 | 10 | 0 | 0 | 0 | 30.1 | 23 | 13 | 11 | 5 | 5 | 34 | 0.92 | ||
| Total | NCAA | 17 | 8 | 3.08 | 32 | 31 | 3 | 1 | 0 | 213.1 | 176 | 79 | 73 | 8 | 51 | 221 | 1.06 |