| | | | | | | | AVO | BB | BUF | CAP | KNT | KIH | MAR | PIT | CLE | SPR | TEN | TIS | Team Index | Draft History | Starters: Positional - Pitchers | Registers: Batters - Pitchers | Leaders: Batters - Pitchers |  | Marietta Mammoths Pitching Staff Chart |
| Year | Starting Pitchers | Closer | Bullpen | 2013 63-57 | Sevin 12-8, 3.90 | An 6-13, 5.62 | Loman 8-6, 4.86 | Guzman 10-4, 2.32 | Erickson 5-2, 3.88 | Furst 28 SV, 2.60 | Furst 38 G, 2.60 | Thomas 31 G, 3.46 | Dardey 28 G, 4.10 | 2014 53-67 | An 10-8, 2.73 | Sevin 10-6, 1.81 | Thomas 9-7, 2.64 | Rivas 4-12, 5.43 | Tyler 4-9, 4.75 | Hernández 28 SV, 3.14 | Hernández 45 G, 3.14 | An 25 G, 2.73 | Sevin 23 G, 1.81 | 2015 63-57 | Hernández 13-6, 2.26 | Rivas 7-10, 3.70 | Tyler 15-8, 2.33 | Rollins 7-10, 4.97 | Mendoza 4-5, 3.11 | Walsh 27 SV, 2.86 | Walsh 44 G, 2.86 | Domínguez 40 G, 2.85 | Hernández 40 G, 1.72 | 2016 53-67 | Trapp 7-10, 3.16 | Martínez 6-11, 2.61 | Mendoza 8-11, 3.63 | Rivas 12-9, 2.31 | Rollins 7-11, 2.85 | Domínguez 15 SV, 4.89 | Domínguez 34 G, 4.89 | Trapp 26 G, 3.16 | Martínez 25 G, 2.61 | 2017 57-63 | Mendoza 13-10, 2.99 | Rodríguez 5-13, 4.66 | Martínez 6-10, 3.89 | Rippon 7-12, 5.35 | Rollins 5-10, 3.35 | Domínguez 26 SV, 1.75 | Domínguez 43 G, 1.75 | Gonzáles 36 G, 3.41 | Pérez 30 G, 3.94 | 2018 32-88 | Richmond 5-15, 4.39 | Carthy 5-15, 6.26 | Kataoka 8-15, 5.01 | Mendoza 3-16, 4.73 | Clarke 3-9, 5.47 | Stewart 12 SV, 2.66 | Bing 36 G, 1.97 | Pérez 33 G, 3.63 | Richmond 28 G, 4.39 | 2019 36-84 | Harrison 5-19, 5.53 | Richmond 12-11, 2.88 | Robison 7-14, 4.10 | Carthy 3-16, 5.36 | Clarke 5-11, 3.78 | Ochi 20 SV, 4.30 | Pérez 42 G, 2.35 | Ochi 29 G, 4.30 | Harrison 27 G, 5.53 | 2020 32-88 | Harrison 4-18, 4.33 | Reed 6-16, 5.00 | Clarke 6-17, 3.56 | Robison 3-7, 3.31 | Carthy 2-7, 4.48 | Ochi 18 SV, 4.18 | Carlson 35 G, 7.03 | Yang 33 G, 4.13 | Kataoka 31 G, 5.26 | | Top 5 pitchers in Games Started, Top pitcher in Saves and Top 3 pitchers in Games | |