| | | | | | | | | | AUK | BAL | BIR | BOG | BUF | CAL | CHI | DM | DUB | GB | GRE | HAV | JAC | JOH | LV | LON | LB | LA | | LOU | MAN | MLA | MC | MOS | NY | PP | PAR | SJ | SD | SPO | SYD | TAI | TOK | VAL | VAN | WAR | WAS | | Team Index | Draft History | Starters: Positional - Pitchers | Registers: Batters - Pitchers | Leaders: Batters - Pitchers |  | Johannesburg Diamonds Pitching Staff Chart |
| | Year | Starting Pitchers | Closer | Bullpen | | 2007 67-95 | Guillén 9-10, 4.11 | Ramírez 8-6, 4.08 | Merah 5-4, 5.27 | Canavan 3-10, 2.10 | Gaines 4-5, 3.79 | González 16 SV, 2.04 | González 58 G, 2.04 | Canavan 56 G, 2.10 | Gaines 39 G, 3.79 | | 2008 77-85 | Guillén 17-10, 3.35 | Torres 11-16, 3.65 | Cahill 11-12, 4.56 | Ramírez 10-9, 4.23 | Merah 4-3, 3.21 | Canavan 41 SV, 3.50 | Canavan 58 G, 3.50 | González 56 G, 3.72 | Gaines 45 G, 3.97 | | 2009 77-85 | Cahill 11-12, 4.71 | Torres 10-12, 4.15 | Guillén 14-8, 2.72 | Merah 12-10, 4.71 | Ramírez 1-5, 5.81 | Canavan 37 SV, 2.43 | González 59 G, 2.53 | Canavan 57 G, 2.43 | Gaines 48 G, 2.14 | | 2010 98-65 | Gaines 8-11, 3.87 | Guillén 17-10, 5.25 | Torres 19-4, 3.75 | Román 15-9, 3.54 | Cahill 10-10, 4.88 | Canavan 35 SV, 1.88 | González 77 G, 2.69 | Canavan 62 G, 1.88 | Pérez 50 G, 3.25 | | 2011 107-55 | Gaines 7-14, 4.32 | Jin 19-6, 2.42 | Guillén 16-6, 4.15 | Torres 15-8, 3.89 | Román 15-2, 2.89 | Canavan 50 SV, 1.20 | Canavan 67 G, 1.20 | Pérez 66 G, 2.92 | González 60 G, 1.44 | | 2012 102-60 | Jin 16-8, 3.32 | Román 17-10, 3.09 | Torres 15-7, 3.04 | Guillén 8-10, 3.65 | Cahill 10-1, 3.77 | Canavan 38 SV, 1.82 | Canavan 70 G, 1.82 | González 69 G, 2.01 | Pérez 49 G, 2.21 | | 2013 93-70 | Román 20-10, 2.93 | Jin 12-9, 4.44 | Cahill 10-15, 4.33 | Hara 13-9, 3.91 | Torres 16-11, 3.57 | Canavan 37 SV, 1.42 | Barrera 66 G, 3.43 | González 64 G, 1.96 | Canavan 56 G, 1.42 | | 2014 0-0 | | | | | | | | | | | | Top 5 pitchers in Games Started, Top pitcher in Saves and Top 3 pitchers in Games | |