In his career, Pettis has slapped 21 baseballs over the fence while driving in 265 runs. For his time in baseball, he stepped up to bat 4,337 times and has reached base with a hit 873 times. His slugging percentage is .101 and he has racked up 1,147 bases. He has fanned 982 times and has been walked on 543 attempts at the plate, contributing to a .334 on-base percentage. Pettis has raked .236 for his career with 584 runs scored and an OPS of .434.
Pettis has 18 base hits out of 76 at-bats and holds a batting average of .237. He has walked 22 times and has accounted for an on-base percentage of .408. For the season, Pettis has compiled 16 runs, knocked in 6 runs batted in and has hit 0 home runs. He has recorded an OPS of 0.698 and a slugging percentage of .289. He has been struck out 24 times while tallying 22 total bases.
| Year | Team | BA | HR | H | BB | R | RBI | OBP | PA | AB | OPS | OPS+ | 2B | 3B | G | SLG | SB | CS | TB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | .236 | 21 | 855 | 521 | 568 | 259 | .332 | 4,237 | 3,629 | .642 | 80 | 109 | 49 | 1,183 | .310 | 354 | 104 | 1,125 | 958 | |
| 1992 | TOT | .201 | 1 | 32 | 29 | 27 | 12 | .323 | 192 | 159 | .612 | 74 | 5 | 3 | 78 | .289 | 14 | 4 | 46 | 45 |
| 1992 | SDP | .200 | 0 | 6 | 2 | 0 | 0 | .250 | 32 | 30 | .483 | 37 | 1 | 0 | 30 | .233 | 1 | 0 | 7 | 11 |
| 1992 | DET | .202 | 1 | 26 | 27 | 27 | 12 | .338 | 160 | 129 | .640 | 81 | 4 | 3 | 48 | .302 | 13 | 4 | 39 | 34 |
| 1991 | TEX | .216 | 0 | 61 | 54 | 37 | 19 | .341 | 343 | 282 | .618 | 75 | 7 | 5 | 137 | .277 | 29 | 13 | 78 | 91 |
| 1990 | TEX | .239 | 3 | 101 | 57 | 66 | 31 | .333 | 498 | 423 | .668 | 88 | 16 | 8 | 136 | .336 | 38 | 15 | 142 | 118 |
| 1989 | DET | .257 | 1 | 114 | 84 | 77 | 18 | .375 | 536 | 444 | .684 | 97 | 8 | 6 | 119 | .309 | 43 | 15 | 137 | 106 |
| 1988 | DET | .210 | 3 | 96 | 47 | 65 | 36 | .285 | 512 | 458 | .562 | 61 | 14 | 4 | 129 | .277 | 44 | 10 | 127 | 85 |
| 1987 | CAL | .208 | 1 | 82 | 52 | 49 | 17 | .302 | 448 | 394 | .561 | 53 | 13 | 2 | 133 | .259 | 24 | 5 | 102 | 124 |
| 1986 | CAL | .258 | 5 | 139 | 69 | 93 | 58 | .339 | 628 | 539 | .683 | 88 | 23 | 4 | 154 | .343 | 50 | 13 | 185 | 132 |
| 1985 | CAL | .257 | 1 | 114 | 62 | 67 | 32 | .347 | 516 | 443 | .670 | 86 | 10 | 8 | 125 | .323 | 56 | 9 | 143 | 125 |
| 1984 | CAL | .227 | 2 | 90 | 60 | 63 | 29 | .332 | 466 | 397 | .632 | 78 | 11 | 6 | 140 | .300 | 48 | 17 | 119 | 115 |
| 1983 | CAL | .294 | 3 | 25 | 7 | 19 | 6 | .348 | 93 | 85 | .842 | 131 | 2 | 3 | 22 | .494 | 8 | 3 | 42 | 15 |
| 1982 | CAL | .200 | 1 | 1 | 0 | 5 | 1 | .200 | 5 | 5 | 1.000 | 160 | 0 | 0 | 10 | .800 | 0 | 0 | 4 | 2 |