ZACK
            
              LITTELL
            
                        
   
          
          
                            
                #52 - 
                P
            
                      
      
      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 | Cincinnati | NL | 2 | 0 | 4.39 | 10 | 10 | 0 | 0 | 0 | 0 | 53.1 | 46 | 28 | 26 | 10 | 11 | 41 | 1.07 | 
| 2025 | Tampa Bay | AL | 8 | 8 | 3.58 | 22 | 22 | 1 | 0 | 0 | 0 | 133.1 | 128 | 53 | 53 | 26 | 21 | 89 | 1.12 | 
| 2025 | Total TB/Cin | MLB | 10 | 8 | 3.81 | 32 | 32 | 1 | 0 | 0 | 0 | 186.2 | 174 | 81 | 79 | 36 | 32 | 130 | 1.1 | 
| 2024 | Tampa Bay | AL | 8 | 10 | 3.63 | 29 | 29 | 0 | 0 | 0 | 0 | 156.1 | 164 | 68 | 63 | 22 | 31 | 141 | 1.25 | 
| 2023 | Tampa Bay | AL | 3 | 6 | 3.93 | 26 | 14 | 0 | 0 | 0 | 0 | 87 | 91 | 40 | 38 | 13 | 9 | 72 | 1.15 | 
| 2023 | Boston | AL | 0 | 0 | 9 | 2 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 0 | 3 | 2 | 2 | |
| 2023 | Total Bos/TB | AL | 3 | 6 | 4.1 | 28 | 14 | 0 | 0 | 0 | 0 | 90 | 94 | 43 | 41 | 13 | 12 | 74 | 1.18 | 
| 2023 | Round Rock | AAA | 2 | 0 | 2.25 | 8 | 0 | 0 | 0 | 0 | 12 | 9 | 3 | 3 | 1 | 2 | 16 | 0.92 | |
| 2023 | Durham | AAA | 0 | 1 | 18 | 3 | 0 | 0 | 0 | 0 | 2 | 4 | 4 | 4 | 1 | 4 | 1 | 4 | |
| 2022 | San Francisco | NL | 3 | 3 | 5.08 | 39 | 0 | 0 | 0 | 1 | 5 | 44.1 | 48 | 25 | 25 | 8 | 13 | 39 | 1.38 | 
| 2022 | Sacramento | AAA | 0 | 1 | 6.75 | 13 | 1 | 0 | 0 | 0 | 13.1 | 14 | 10 | 10 | 3 | 4 | 13 | 1.35 | |
| 2022 | San Jose | A | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 2 | 1.5 | |
| 2021 | San Francisco | NL | 4 | 0 | 2.92 | 63 | 2 | 0 | 0 | 2 | 7 | 61.2 | 46 | 24 | 20 | 7 | 24 | 63 | 1.14 | 
| 2021 | Sacramento | AAA | 0 | 0 | 9 | 2 | 0 | 0 | 0 | 0 | 2 | 4 | 2 | 2 | 1 | 2 | 1 | 3 | |
| 2020 | Minnesota | AL | 0 | 0 | 9.95 | 6 | 0 | 0 | 0 | 0 | 0 | 6.1 | 12 | 7 | 7 | 5 | 3 | 3 | 2.37 | 
| 2019 | Minnesota | AL | 6 | 0 | 2.68 | 29 | 0 | 0 | 0 | 0 | 1 | 37 | 34 | 12 | 11 | 4 | 9 | 32 | 1.16 | 
| 2019 | Rochester | AAA | 3 | 3 | 3.71 | 20 | 7 | 0 | 0 | 1 | 0 | 63 | 55 | 29 | 26 | 11 | 25 | 68 | 1.27 | 
| 2018 | Minnesota | AL | 0 | 2 | 6.2 | 8 | 2 | 0 | 0 | 0 | 0 | 20.1 | 25 | 17 | 14 | 3 | 11 | 14 | 1.77 | 
| 2018 | Rochester | AAA | 6 | 6 | 3.57 | 19 | 15 | 0 | 0 | 0 | 106 | 100 | 47 | 42 | 5 | 40 | 98 | 1.32 | |
| 2018 | Chattanooga | AA | 0 | 3 | 5.87 | 5 | 5 | 0 | 0 | 0 | 23 | 28 | 15 | 15 | 3 | 7 | 32 | 1.52 | |
| 2017 | Chattanooga | AA | 5 | 0 | 2.81 | 7 | 7 | 0 | 0 | 0 | 0 | 41.2 | 33 | 16 | 13 | 1 | 18 | 33 | 1.22 | 
| 2017 | Trenton | AA | 5 | 0 | 2.05 | 7 | 7 | 0 | 0 | 0 | 0 | 44 | 37 | 14 | 10 | 3 | 8 | 52 | 1.02 | 
| 2017 | Tampa | A | 9 | 1 | 1.77 | 13 | 11 | 2 | 0 | 0 | 0 | 71.1 | 65 | 17 | 14 | 4 | 15 | 57 | 1.12 | 
| 2016 | Clinton | A | 5 | 5 | 2.76 | 16 | 16 | 2 | 0 | 0 | 0 | 97.2 | 94 | 35 | 30 | 5 | 21 | 95 | 1.18 | 
| 2016 | Bakersfield | A | 8 | 1 | 2.51 | 12 | 11 | 0 | 0 | 0 | 0 | 68 | 64 | 21 | 19 | 3 | 13 | 61 | 1.13 | 
| 2015 | Clinton | A | 3 | 6 | 3.91 | 21 | 21 | 0 | 0 | 0 | 0 | 112.2 | 121 | 63 | 49 | 4 | 30 | 84 | 1.34 | 
| 2014 | Pulaski | R | 5 | 5 | 4.52 | 13 | 13 | 0 | 0 | 0 | 69.2 | 75 | 38 | 35 | 3 | 12 | 64 | 1.25 | |
| 2013 | AZL Mariners | R | 0 | 6 | 5.94 | 10 | 7 | 0 | 0 | 1 | 33.1 | 39 | 27 | 22 | 2 | 13 | 28 | 1.56 | |
| Total | MLB | 34 | 29 | 3.88 | 234 | 79 | 1 | 0 | 3 | 13 | 602.2 | 597 | 277 | 260 | 98 | 135 | 496 | 1.21 | |
| Total | AL | 25 | 26 | 3.84 | 122 | 67 | 1 | 0 | 0 | 1 | 443.1 | 457 | 200 | 189 | 73 | 87 | 353 | 1.23 | |
| Total | NL | 9 | 3 | 4.01 | 112 | 12 | 0 | 0 | 3 | 12 | 159.1 | 140 | 77 | 71 | 25 | 48 | 143 | 1.18 | |
| Total | AAA | 9 | 9 | 3.68 | 41 | 22 | 0 | 0 | 1 | 0 | 171 | 159 | 78 | 70 | 17 | 67 | 167 | 1.32 | |
| Total | AA | 10 | 3 | 3.15 | 19 | 19 | 0 | 0 | 0 | 0 | 108.2 | 98 | 45 | 38 | 7 | 33 | 117 | 1.21 | |
| Total | A | 25 | 13 | 2.88 | 62 | 59 | 4 | 0 | 0 | 0 | 349.2 | 344 | 136 | 112 | 16 | 79 | 297 | 1.21 | |
| Total | R | 5 | 11 | 4.98 | 23 | 20 | 0 | 0 | 1 | 103 | 114 | 65 | 57 | 5 | 25 | 92 | 1.35 |