| Year | Team | G | AB | H | HR | RBI | SB | BB | K | AVG | OBP | SLG | OPS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1989 | San Francisco Giants | 14 | 6 | 1 | 0 | 0 | 0 | 0 | 1 | .167 | .167 | .167 |
| .334 |
| 1990 | San Francisco Giants | 22 | 56 | 12 | 2 | 3 | 1 | 3 | 10 | .214 | .254 | .411 | .665 |
| 1991 | San Francisco Giants | 54 | 106 | 13 | 2 | 8 | 3 | 7 | 26 | .123 | .188 | .208 | .396 |
| 1992 | San Francisco Giants | 40 | 75 | 13 | 1 | 3 | 1 | 4 | 15 | .173 | .215 | .267 | .482 |
| 1993 | San Francisco Giants | 63 | 146 | 29 | 4 | 16 | 0 | 9 | 23 | .199 | .264 | .329 | .593 |
| 1994 | San Francisco Giants | 38 | 62 | 16 | 1 | 9 | 5 | 5 | 16 | .258 | .343 | .419 | .762 |
| 1995 | San Francisco Giants | 68 | 186 | 41 | 3 | 12 | 11 | 8 | 51 | .220 | .256 | .301 | .557 |
| 1996 | Philadelphia Phillies | 35 | 103 | 23 | 4 | 13 | 3 | 12 | 21 | .223 | .316 | .408 | .724 |
| 1997 | Boston Red Sox | 49 | 116 | 27 | 0 | 7 | 2 | 4 | 27 | .233 | .262 | .328 | .590 |
| 1998 | Boston Red Sox | 124 | 349 | 95 | 4 | 39 | 3 | 15 | 73 | .272 | .312 | .372 | .684 |
| 1999 | Pittsburgh Pirates | 110 | 368 | 91 | 1 | 37 | 10 | 20 | 90 | .247 | .288 | .364 | .652 |
| 2000 | Pittsburgh Pirates | 93 | 233 | 63 | 2 | 19 | 5 | 12 | 45 | .270 | .313 | .391 | .704 |
| 2002 | Pittsburgh Pirates | 108 | 120 | 18 | 0 | 3 | 0 | 7 | 31 | .150 | .202 | .183 | .385 |
| Career | — | 818 | 1,926 | 442 | 24 | 169 | 44 | 106 | 429 | .229 | .277 | .339 | .616 |