| year | team | league | level | age | pos | g | gs | inn | po | a | e | dp | tc | tsc | sb | cs | sb% | fpct | rfg | rfi | rf9i | tm share | pl share | tm rank |
| 1984 | Modesto A's | Calif | A+ | 20 | 1B | 14 | 0 | 0.0 | 107 | 6 | 1 | 9 | 114 | 113 | 0 | 0 | .991 | 8.1 | 0.00 | 0.00 | 10.1 | 87.5 | 3 | |
| 1985 | Modesto A's | Calif | A+ | 21 | 3B | 130 | 0 | 0.0 | 82 | 239 | 33 | 23 | 354 | 321 | 0 | 0 | .907 | 2.5 | 0.00 | 0.00 | 90.3 | 94.2 | 1 | |
| 1985 | Modesto A's | Calif | A+ | 21 | 1B | 2 | 0 | 0.0 | 23 | 1 | 0 | 1 | 24 | 24 | 0 | 0 | 1.000 | 12.0 | 0.00 | 0.00 | 1.4 | 1.4 | 3 | |
| 1986 | Oakland Athletics | AL | MLB | 22 | 3B | 16 | 15 | 123.0 | 10 | 20 | 6 | 1 | 36 | 30 | 0 | 0 | .833 | 1.9 | 0.24 | 2.16 | 9.9 | 88.9 | 4 | |
| 1986 | Tacoma Tigers | PCL | AAA | 22 | 3B | 78 | 0 | 0.0 | 53 | 126 | 25 | 9 | 204 | 179 | 0 | 0 | .877 | 2.3 | 0.00 | 0.00 | 54.2 | 100.0 | 1 | |
| 1986 | Huntsville Stars | Sou | AA | 22 | 3B | 55 | 0 | 0.0 | 34 | 124 | 16 | 6 | 174 | 158 | 0 | 0 | .908 | 2.9 | 0.00 | 0.00 | 39.0 | 100.0 | 2 | |
| 1987 | Oakland Athletics | AL | MLB | 23 | 1B | 145 | 141 | 1,236.2 | 1173 | 90 | 10 | 91 | 1273 | 1263 | 0 | 0 | .992 | 8.7 | 1.02 | 9.18 | 89.5 | 96.0 | 1 | |
| 1987 | Oakland Athletics | AL | MLB | 23 | 3B | 8 | 5 | 52.0 | 2 | 11 | 3 | 0 | 16 | 13 | 0 | 0 | .813 | 1.6 | 0.25 | 2.25 | 4.9 | 5.3 | 5 | |
| 1987 | Oakland Athletics | AL | MLB | 23 | OF | 3 | 2 | 18.0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1.000 | 0.3 | 0.06 | 0.54 | 1.9 | 2.0 | 8 | |
| 1987 | Oakland Athletics | AL | MLB | 23 | RF | 3 | 2 | 18.0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1.000 | 0.3 | 0.06 | 0.54 | 1.9 | 2.0 | 6 | |
| 1988 | Oakland Athletics | AL | MLB | 24 | 1B | 154 | 146 | 1,314.1 | 1228 | 88 | 9 | 118 | 1325 | 1316 | 0 | 0 | .993 | 8.5 | 1.00 | 9.00 | 95.1 | 99.4 | 1 | |
| 1988 | Oakland Athletics | AL | MLB | 24 | OF | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 0.0 | 0.00 | 0.00 | 0.6 | 0.6 | 9 | |
| 1988 | Oakland Athletics | AL | MLB | 24 | RF | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 0.0 | 0.00 | 0.00 | 0.6 | 0.6 | 6 | |
| 1989 | Oakland Athletics | AL | MLB | 25 | 1B | 141 | 139 | 1,231.1 | 1170 | 114 | 6 | 122 | 1290 | 1284 | 0 | 0 | .995 | 9.1 | 1.04 | 9.36 | 87.0 | 98.6 | 1 | |
| 1989 | Oakland Athletics | AL | MLB | 25 | DH | 2 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 0.0 | 0.00 | 0.00 | 1.2 | 1.4 | 9 | |
| 1990 | Oakland Athletics | AL | MLB | 26 | 1B | 154 | 150 | 1,334.2 | 1329 | 95 | 5 | 126 | 1429 | 1424 | 0 | 0 | .997 | 9.2 | 1.07 | 9.63 | 95.1 | 98.7 | 1 | |
| 1990 | Oakland Athletics | AL | MLB | 26 | DH | 2 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 0.0 | 0.00 | 0.00 | 1.2 | 1.3 | 15 | |
| 1991 | Oakland Athletics | AL | MLB | 27 | 1B | 152 | 142 | 1,262.2 | 1191 | 101 | 4 | 120 | 1296 | 1292 | 0 | 0 | .997 | 8.5 | 1.02 | 9.18 | 93.8 | 98.7 | 1 | |
| 1992 | Oakland Athletics | AL | MLB | 28 | 1B | 139 | 136 | 1,182.1 | 1118 | 71 | 6 | 118 | 1195 | 1189 | 0 | 0 | .995 | 8.6 | 1.01 | 9.09 | 85.8 | 100.0 | 1 | |
| 1993 | Oakland Athletics | AL | MLB | 29 | 1B | 25 | 25 | 209.2 | 197 | 14 | 0 | 20 | 211 | 211 | 0 | 0 | 1.000 | 8.4 | 1.01 | 9.09 | 15.4 | 92.6 | 3 | |
| 1994 | Oakland Athletics | AL | MLB | 30 | 1B | 40 | 37 | 300.1 | 307 | 18 | 4 | 26 | 329 | 325 | 0 | 0 | .988 | 8.1 | 1.08 | 9.72 | 35.1 | 85.1 | 2 | |
| 1994 | Oakland Athletics | AL | MLB | 30 | DH | 5 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 0.0 | 0.00 | 0.00 | 4.4 | 10.6 | 6 | |
| 1995 | Oakland Athletics | AL | MLB | 31 | 1B | 91 | 88 | 754.2 | 775 | 64 | 12 | 65 | 851 | 839 | 0 | 0 | .986 | 9.2 | 1.11 | 9.99 | 63.2 | 87.5 | 1 | |
| 1995 | Oakland Athletics | AL | MLB | 31 | DH | 10 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 0.0 | 0.00 | 0.00 | 6.9 | 9.6 | 4 | |
| 1996 | Oakland Athletics | AL | MLB | 32 | 1B | 109 | 107 | 896.1 | 913 | 60 | 10 | 118 | 983 | 973 | 0 | 0 | .990 | 8.9 | 1.09 | 9.81 | 67.3 | 83.8 | 1 | |
| 1996 | Oakland Athletics | AL | MLB | 32 | DH | 18 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 0.0 | 0.00 | 0.00 | 11.1 | 13.8 | 2 | |
| 1997 | Oakland Athletics | AL | MLB | 33 | 1B | 101 | 100 | 843.2 | 884 | 60 | 6 | 88 | 950 | 944 | 0 | 0 | .994 | 9.3 | 1.12 | 10.08 | 62.3 | 96.2 | 1 | |
| 1997 | St. Louis Cardinals | NL | MLB | 33 | 1B | 50 | 49 | 443.2 | 439 | 34 | 1 | 40 | 474 | 473 | 0 | 0 | .998 | 9.5 | 1.07 | 9.63 | 30.9 | 98.0 | 2 | |
| 1998 | St. Louis Cardinals | NL | MLB | 34 | 1B | 151 | 151 | 1,326.1 | 1326 | 97 | 12 | 128 | 1435 | 1423 | 0 | 0 | .992 | 9.4 | 1.07 | 9.63 | 93.2 | 97.4 | 1 | |
| 1999 | St. Louis Cardinals | NL | MLB | 35 | 1B | 151 | 150 | 1,257.2 | 1180 | 80 | 13 | 119 | 1273 | 1260 | 0 | 0 | .990 | 8.3 | 1.00 | 9.00 | 93.8 | 98.7 | 1 | |
| 2000 | St. Louis Cardinals | NL | MLB | 36 | 1B | 70 | 70 | 587.0 | 535 | 23 | 1 | 49 | 559 | 558 | 0 | 0 | .998 | 8.0 | 0.95 | 8.55 | 43.2 | 78.7 | 1 | |
| 2001 | St. Louis Cardinals | NL | MLB | 37 | 1B | 90 | 88 | 724.2 | 686 | 33 | 4 | 60 | 723 | 719 | 0 | 0 | .994 | 8.0 | 0.99 | 8.91 | 55.6 | 92.8 | 1 | |
| Tot: | MLB (15 yrs) | MLB | 1B | 1763 | 1719 | 14,900.4 | 14451 | 1042 | 103 | 1408 | 15596 | 15493 | 0 | 0 | .993 | 8.8 | 1.04 | 9.36 | ||||||
| Tot: | MLB (5 yrs) | MLB | DH | 37 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | |||||||||
| Tot: | MLB (2 yrs) | MLB | 3B | 24 | 20 | 175.0 | 12 | 31 | 9 | 1 | 52 | 43 | 0 | 0 | .827 | 1.8 | 0.25 | 2.21 | ||||||
| Tot: | MLB (2 yrs) | MLB | OF | 4 | 2 | 19.0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1.000 | 0.3 | 0.05 | 0.47 | ||||||
| Tot: | MLB (2 yrs) | MLB | RF | 4 | 2 | 19.0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1.000 | 0.3 | 0.05 | 0.47 | ||||||
| Tot: | AAA (1 yrs) | AAA | 3B | 78 | 0 | 0.0 | 53 | 126 | 25 | 9 | 204 | 179 | 0 | 0 | .877 | 2.3 | ||||||||
| Tot: | AA (1 yrs) | AA | 3B | 55 | 0 | 0.0 | 34 | 124 | 16 | 6 | 174 | 158 | 0 | 0 | .908 | 2.9 | ||||||||
| Tot: | A+ (1 yrs) | A+ | 3B | 130 | 0 | 0.0 | 82 | 239 | 33 | 23 | 354 | 321 | 0 | 0 | .907 | 2.5 | ||||||||
| Tot: | A+ (2 yrs) | A+ | 1B | 16 | 0 | 0.0 | 130 | 7 | 1 | 10 | 138 | 137 | 0 | 0 | .993 | 8.6 |
| year | category | pos P | pos C | pos 1B | pos 2B | pos 3B | pos SS | pos LF | pos CF | pos RF | pos OF | pos DH |
| 1984 | Minor | - | - | 14 | - | - | - | - | - | - | - | - |
| 1985 | Minor | - | - | 2 | - | 130 | - | - | - | - | - | - |
| 1986 | Minor | - | - | - | - | 133 | - | - | - | - | - | - |
| 1986 | MLB | - | - | - | - | 16 | - | - | - | - | - | - |
| 1987 | MLB | - | - | 145 | - | 8 | - | - | - | 3 | 3 | - |
| 1988 | MLB | - | - | 154 | - | - | - | - | - | 1 | 1 | - |
| 1989 | MLB | - | - | 141 | - | - | - | - | - | - | - | 2 |
| 1990 | MLB | - | - | 154 | - | - | - | - | - | - | - | 2 |
| 1991 | MLB | - | - | 152 | - | - | - | - | - | - | - | - |
| 1992 | MLB | - | - | 139 | - | - | - | - | - | - | - | - |
| 1993 | MLB | - | - | 25 | - | - | - | - | - | - | - | - |
| 1994 | MLB | - | - | 40 | - | - | - | - | - | - | - | 5 |
| 1995 | MLB | - | - | 91 | - | - | - | - | - | - | - | 10 |
| 1996 | MLB | - | - | 109 | - | - | - | - | - | - | - | 18 |
| 1997 | MLB | - | - | 151 | - | - | - | - | - | - | - | - |
| 1998 | MLB | - | - | 151 | - | - | - | - | - | - | - | - |
| 1999 | MLB | - | - | 151 | - | - | - | - | - | - | - | - |
| 2000 | MLB | - | - | 70 | - | - | - | - | - | - | - | - |
| 2001 | MLB | - | - | 90 | - | - | - | - | - | - | - | - |