| PLAYER | YEAR | TEAM | G | IP | H | ER | BB | SO | ERA | W | L | PCT | SV | BSV | GS | CG | SHO | WHIP |
| Qualls, Chad | 2007 | MAR | 50 | 62.7 | 78 | 35 | 21 | 35 | 5.03 | 4 | 4 | 0.500 | 2 | 4 | 0 | 0 | 0 | 1.58 |
| Qualls, Chad | 2007 | ARK | 17 | 21.7 | 21 | 8 | 5 | 15 | 3.32 | 8 | 4 | 0.667 | 1 | 0 | 0 | 0 | 0 | 1.20 |
| Qualls, Chad | 2009 | NJ | 68 | 96.7 | 105 | 38 | 31 | 93 | 3.54 | 4 | 1 | 0.800 | 0 | 1 | 0 | 0 | 0 | 1.41 |
| Qualls, Chad | 2010 | NJ | 69 | 77.3 | 93 | 34 | 9 | 61 | 3.96 | 1 | 4 | 0.200 | 19 | 8 | 0 | 0 | 0 | 1.32 |
| Qualls, Chad | 2014 | SF | 68 | 98.0 | 78 | 10 | 24 | 64 | 0.92 | 5 | 1 | 0.833 | 4 | 0 | 0 | 0 | 0 | 1.04 |
| CAREER | 272 | 356.3 | 375 | 125 | 90 | 268 | 3.16 | 22 | 14 | 0.611 | 26 | 13 | 0 | 0 | 0 | 1.30 | ||
| Quantrill, Paul | 1997 | CAR | 5 | 9.0 | 16 | 9 | 4 | 7 | 9.00 | 0 | 0 | #DIV/0! | 0 | 0 | 0 | 0 | 2.22 | |
| Quantrill, Paul | 1998 | CAR | 71 | 100.3 | 126 | 55 | 48 | 65 | 4.93 | 6 | 10 | 0.375 | 13 | 6 | 0 | 0 | 0 | 1.73 |
| Quantrill, Paul | 1999 | CAR | 21 | 24.0 | 26 | 11 | 9 | 15 | 4.13 | 1 | 1 | 0.500 | 1 | 0 | 0 | 0 | 0 | 1.46 |
| Quantrill, Paul | 2000 | PHI | 61 | 79.7 | 82 | 46 | 25 | 26 | 5.20 | 2 | 3 | 0.400 | 1 | 0 | 0 | 0 | 0 | 1.34 |
| Quantrill, Paul | 2001 | PHI | 34 | 59.0 | 62 | 27 | 14 | 36 | 4.12 | 4 | 0 | 1.000 | 0 | 0 | 0 | 0 | 0 | 1.29 |
| Quantrill, Paul | 2002 | PHI | 46 | 71.7 | 66 | 26 | 16 | 47 | 3.27 | 0 | 0 | #DIV/0! | 0 | 0 | 0 | 0 | 0 | 1.14 |
| Quantrill, Paul | 2003 | TIJ | 6 | 7.7 | 12 | 6 | 3 | 4 | 7.04 | 2 | 0 | 1.000 | 0 | 0 | 0 | 0 | 0 | 1.96 |
| Quantrill, Paul | 2004 | STP | 94 | 108.0 | 97 | 30 | 23 | 72 | 2.50 | 11 | 3 | 0.786 | 2 | 3 | 0 | 0 | 0 | 1.11 |
| CAREER | 338 | 459.3 | 487 | 210 | 142 | 272 | 4.11 | 26 | 17 | 0.605 | 17 | 9 | 0 | 0 | 0 | 1.37 | ||
| Quintana, Jose | 2013 | BOS | 33 | 174.3 | 252 | 131 | 74 | 99 | 6.76 | 9 | 16 | 0.360 | 0 | 0 | 32 | 0 | 0 | 1.87 |
| Quintana, Jose | 2014 | SKT | 32 | 176.3 | 238 | 107 | 63 | 126 | 5.46 | 6 | 22 | 0.214 | 0 | 0 | 32 | 0 | 0 | 1.71 |
| CAREER | 65 | 350.7 | 490 | 238 | 137 | 225 | 6.11 | 15 | 38 | 0.283 | 0 | 0 | 64 | 0 | 0 | 1.79 | ||