| 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 |
| 1978 | Bluefield Orioles | App | Rk | 17 | SS | 62 | 0 | 0.0 | 92 | 204 | 33 | 31 | 329 | 296 | 0 | 0 | .900 | 4.8 | 0.00 | 0.00 | 89.9 | 98.4 | 1 | |
| 1979 | Charlotte O's | Sou | AA | 18 | 3B | 15 | 0 | 0.0 | 13 | 26 | 3 | 1 | 42 | 39 | 0 | 0 | .929 | 2.6 | 0.00 | 0.00 | 10.6 | 88.2 | 3 | |
| 1979 | Miami Orioles | FSL | A+ | 18 | 3B | 58 | 0 | 0.0 | 63 | 122 | 12 | 17 | 197 | 185 | 0 | 0 | .939 | 3.2 | 0.00 | 0.00 | 41.1 | 55.2 | 1 | |
| 1979 | Miami Orioles | FSL | A+ | 18 | SS | 52 | 0 | 0.0 | 83 | 135 | 17 | 37 | 235 | 218 | 0 | 0 | .928 | 4.2 | 0.00 | 0.00 | 36.9 | 49.5 | 2 | |
| 1979 | Miami Orioles | FSL | A+ | 18 | 2B | 1 | 0 | 0.0 | 3 | 4 | 1 | 0 | 8 | 7 | 0 | 0 | .875 | 7.0 | 0.00 | 0.00 | 0.7 | 1.0 | 6 | |
| 1980 | Charlotte O's | Sou | AA | 19 | 3B | 120 | 0 | 0.0 | 119 | 288 | 29 | 36 | 436 | 407 | 0 | 0 | .933 | 3.4 | 0.00 | 0.00 | 83.3 | 83.3 | 1 | |
| 1980 | Charlotte O's | Sou | AA | 19 | SS | 25 | 0 | 0.0 | 32 | 73 | 7 | 15 | 112 | 105 | 0 | 0 | .938 | 4.2 | 0.00 | 0.00 | 17.4 | 17.4 | 2 | |
| 1981 | Baltimore Orioles | AL | MLB | 20 | SS | 12 | 8 | 69.0 | 11 | 24 | 2 | 5 | 37 | 35 | 0 | 0 | .946 | 2.9 | 0.51 | 4.59 | 11.4 | 52.2 | 4 | |
| 1981 | Baltimore Orioles | AL | MLB | 20 | 3B | 6 | 1 | 17.0 | 2 | 6 | 1 | 1 | 9 | 8 | 0 | 0 | .889 | 1.3 | 0.47 | 4.23 | 5.7 | 26.1 | 2 | |
| 1981 | Rochester Red Wings | IL | AAA | 20 | 3B | 85 | 0 | 0.0 | 74 | 204 | 14 | 25 | 292 | 278 | 0 | 0 | .952 | 3.3 | 0.00 | 0.00 | 61.2 | 74.6 | 1 | |
| 1981 | Rochester Red Wings | IL | AAA | 20 | SS | 35 | 0 | 0.0 | 54 | 116 | 7 | 18 | 177 | 170 | 0 | 0 | .960 | 4.9 | 0.00 | 0.00 | 25.2 | 30.7 | 2 | |
| 1982 | Baltimore Orioles | AL | MLB | 21 | SS | 94 | 91 | 813.1 | 155 | 289 | 13 | 47 | 457 | 444 | 0 | 0 | .972 | 4.7 | 0.55 | 4.95 | 58.0 | 58.8 | 1 | |
| 1982 | Baltimore Orioles | AL | MLB | 21 | 3B | 71 | 68 | 604.0 | 66 | 151 | 6 | 17 | 223 | 217 | 0 | 0 | .973 | 3.1 | 0.36 | 3.24 | 43.8 | 44.4 | 1 | |
| 1983 | Baltimore Orioles | AL | MLB | 22 | SS | 162 | 162 | 1,452.1 | 272 | 534 | 25 | 113 | 831 | 806 | 0 | 0 | .970 | 5.0 | 0.56 | 5.04 | 100.0 | 100.0 | 1 | |
| 1984 | Baltimore Orioles | AL | MLB | 23 | SS | 162 | 162 | 1,439.1 | 297 | 583 | 26 | 122 | 906 | 880 | 0 | 0 | .971 | 5.4 | 0.61 | 5.49 | 100.0 | 100.0 | 1 | |
| 1985 | Baltimore Orioles | AL | MLB | 24 | SS | 161 | 161 | 1,427.1 | 286 | 474 | 26 | 123 | 786 | 760 | 0 | 0 | .967 | 4.7 | 0.53 | 4.77 | 100.0 | 100.0 | 1 | |
| 1986 | Baltimore Orioles | AL | MLB | 25 | SS | 162 | 162 | 1,436.2 | 240 | 482 | 13 | 105 | 735 | 722 | 0 | 0 | .982 | 4.5 | 0.50 | 4.50 | 100.0 | 100.0 | 1 | |
| 1987 | Baltimore Orioles | AL | MLB | 26 | SS | 162 | 162 | 1,430.2 | 240 | 480 | 20 | 103 | 740 | 720 | 0 | 0 | .973 | 4.4 | 0.50 | 4.50 | 100.0 | 100.0 | 1 | |
| 1988 | Baltimore Orioles | AL | MLB | 27 | SS | 161 | 161 | 1,409.0 | 284 | 480 | 21 | 119 | 785 | 764 | 0 | 0 | .973 | 4.7 | 0.54 | 4.86 | 100.0 | 100.0 | 1 | |
| 1989 | Baltimore Orioles | AL | MLB | 28 | SS | 162 | 162 | 1,433.1 | 276 | 531 | 8 | 119 | 815 | 807 | 0 | 0 | .990 | 5.0 | 0.56 | 5.04 | 100.0 | 100.0 | 1 | |
| 1990 | Baltimore Orioles | AL | MLB | 29 | SS | 161 | 161 | 1,406.1 | 242 | 435 | 3 | 94 | 680 | 677 | 0 | 0 | .996 | 4.2 | 0.48 | 4.32 | 100.0 | 100.0 | 1 | |
| 1991 | Baltimore Orioles | AL | MLB | 30 | SS | 162 | 162 | 1,427.2 | 267 | 528 | 11 | 114 | 806 | 795 | 0 | 0 | .986 | 4.9 | 0.56 | 5.04 | 100.0 | 100.0 | 1 | |
| 1992 | Baltimore Orioles | AL | MLB | 31 | SS | 162 | 162 | 1,440.0 | 287 | 445 | 12 | 119 | 744 | 732 | 0 | 0 | .984 | 4.5 | 0.51 | 4.59 | 100.0 | 100.0 | 1 | |
| 1993 | Baltimore Orioles | AL | MLB | 32 | SS | 162 | 162 | 1,425.2 | 226 | 495 | 17 | 101 | 738 | 721 | 0 | 0 | .977 | 4.5 | 0.51 | 4.59 | 100.0 | 100.0 | 1 | |
| 1994 | Baltimore Orioles | AL | MLB | 33 | SS | 112 | 112 | 986.2 | 132 | 321 | 7 | 72 | 460 | 453 | 0 | 0 | .985 | 4.0 | 0.46 | 4.14 | 100.0 | 100.0 | 1 | |
| 1995 | Baltimore Orioles | AL | MLB | 34 | SS | 144 | 144 | 1,250.0 | 206 | 409 | 7 | 100 | 622 | 615 | 0 | 0 | .989 | 4.3 | 0.49 | 4.41 | 100.0 | 100.0 | 1 | |
| 1996 | Baltimore Orioles | AL | MLB | 35 | SS | 158 | 157 | 1,379.2 | 228 | 467 | 14 | 109 | 709 | 695 | 0 | 0 | .980 | 4.4 | 0.50 | 4.50 | 97.5 | 96.9 | 1 | |
| 1996 | Baltimore Orioles | AL | MLB | 35 | 3B | 6 | 6 | 49.0 | 5 | 16 | 0 | 1 | 21 | 21 | 0 | 0 | 1.000 | 3.5 | 0.43 | 3.87 | 3.7 | 3.7 | 5 | |
| 1997 | Baltimore Orioles | AL | MLB | 36 | 3B | 162 | 162 | 1,401.0 | 98 | 314 | 22 | 25 | 434 | 412 | 0 | 0 | .949 | 2.5 | 0.29 | 2.61 | 100.0 | 100.0 | 1 | |
| 1997 | Baltimore Orioles | AL | MLB | 36 | SS | 3 | 0 | 5.0 | 2 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 1.000 | 0.7 | 0.40 | 3.60 | 1.9 | 1.9 | 4 | |
| 1998 | Baltimore Orioles | AL | MLB | 37 | 3B | 161 | 161 | 1,365.2 | 101 | 265 | 8 | 22 | 374 | 366 | 0 | 0 | .979 | 2.3 | 0.27 | 2.43 | 99.4 | 100.0 | 1 | |
| 1999 | Baltimore Orioles | AL | MLB | 38 | 3B | 85 | 85 | 700.0 | 36 | 142 | 13 | 11 | 191 | 178 | 0 | 0 | .932 | 2.1 | 0.25 | 2.25 | 52.5 | 98.8 | 1 | |
| 2000 | Baltimore Orioles | AL | MLB | 39 | 3B | 73 | 73 | 608.1 | 56 | 134 | 5 | 17 | 195 | 190 | 0 | 0 | .974 | 2.6 | 0.31 | 2.79 | 45.1 | 88.0 | 1 | |
| 2000 | Baltimore Orioles | AL | MLB | 39 | DH | 10 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 0.0 | 0.00 | 0.00 | 6.2 | 12.0 | 5 | |
| 2001 | Baltimore Orioles | AL | MLB | 40 | 3B | 111 | 111 | 981.2 | 97 | 209 | 14 | 23 | 320 | 306 | 0 | 0 | .956 | 2.8 | 0.31 | 2.79 | 68.9 | 86.7 | 1 | |
| 2001 | Baltimore Orioles | AL | MLB | 40 | DH | 14 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 0.0 | 0.00 | 0.00 | 8.7 | 10.9 | 5 | |
| Tot: | MLB (17 yrs) | MLB | SS | 2302 | 2291 | 20,227.8 | 3651 | 6977 | 225 | 1565 | 10853 | 10628 | 0 | 0 | .979 | 4.6 | 0.53 | 4.73 | ||||||
| Tot: | MLB (8 yrs) | MLB | 3B | 675 | 667 | 5,725.5 | 461 | 1237 | 69 | 117 | 1767 | 1698 | 0 | 0 | .961 | 2.5 | 0.30 | 2.67 | ||||||
| Tot: | MLB (2 yrs) | MLB | DH | 24 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | |||||||||
| Tot: | AAA (1 yrs) | AAA | 3B | 85 | 0 | 0.0 | 74 | 204 | 14 | 25 | 292 | 278 | 0 | 0 | .952 | 3.3 | ||||||||
| Tot: | AAA (1 yrs) | AAA | SS | 35 | 0 | 0.0 | 54 | 116 | 7 | 18 | 177 | 170 | 0 | 0 | .960 | 4.9 | ||||||||
| Tot: | AA (2 yrs) | AA | 3B | 135 | 0 | 0.0 | 132 | 314 | 32 | 37 | 478 | 446 | 0 | 0 | .933 | 3.3 | ||||||||
| Tot: | AA (1 yrs) | AA | SS | 25 | 0 | 0.0 | 32 | 73 | 7 | 15 | 112 | 105 | 0 | 0 | .938 | 4.2 | ||||||||
| Tot: | A+ (1 yrs) | A+ | 3B | 58 | 0 | 0.0 | 63 | 122 | 12 | 17 | 197 | 185 | 0 | 0 | .939 | 3.2 | ||||||||
| Tot: | A+ (1 yrs) | A+ | SS | 52 | 0 | 0.0 | 83 | 135 | 17 | 37 | 235 | 218 | 0 | 0 | .928 | 4.2 | ||||||||
| Tot: | A+ (1 yrs) | A+ | 2B | 1 | 0 | 0.0 | 3 | 4 | 1 | 0 | 8 | 7 | 0 | 0 | .875 | 7.0 | ||||||||
| Tot: | Rk (1 yrs) | Rk | SS | 62 | 0 | 0.0 | 92 | 204 | 33 | 31 | 329 | 296 | 0 | 0 | .900 | 4.8 |
| year | category | pos P | pos C | pos 1B | pos 2B | pos 3B | pos SS | pos LF | pos CF | pos RF | pos OF | pos DH |
| 1978 | Minor | - | - | - | - | - | 62 | - | - | - | - | - |
| 1979 | Minor | - | - | - | 1 | 73 | 52 | - | - | - | - | - |
| 1980 | Minor | - | - | - | - | 120 | 25 | - | - | - | - | - |
| 1981 | Minor | - | - | - | - | 85 | 35 | - | - | - | - | - |
| 1981 | MLB | - | - | - | - | 6 | 12 | - | - | - | - | - |
| 1982 | MLB | - | - | - | - | 71 | 94 | - | - | - | - | - |
| 1983 | MLB | - | - | - | - | - | 162 | - | - | - | - | - |
| 1984 | MLB | - | - | - | - | - | 162 | - | - | - | - | - |
| 1985 | MLB | - | - | - | - | - | 161 | - | - | - | - | - |
| 1986 | MLB | - | - | - | - | - | 162 | - | - | - | - | - |
| 1987 | MLB | - | - | - | - | - | 162 | - | - | - | - | - |
| 1988 | MLB | - | - | - | - | - | 161 | - | - | - | - | - |
| 1989 | MLB | - | - | - | - | - | 162 | - | - | - | - | - |
| 1990 | MLB | - | - | - | - | - | 161 | - | - | - | - | - |
| 1991 | MLB | - | - | - | - | - | 162 | - | - | - | - | - |
| 1992 | MLB | - | - | - | - | - | 162 | - | - | - | - | - |
| 1993 | MLB | - | - | - | - | - | 162 | - | - | - | - | - |
| 1994 | MLB | - | - | - | - | - | 112 | - | - | - | - | - |
| 1995 | MLB | - | - | - | - | - | 144 | - | - | - | - | - |
| 1996 | MLB | - | - | - | - | 6 | 158 | - | - | - | - | - |
| 1997 | MLB | - | - | - | - | 162 | 3 | - | - | - | - | - |
| 1998 | MLB | - | - | - | - | 161 | - | - | - | - | - | - |
| 1999 | MLB | - | - | - | - | 85 | - | - | - | - | - | - |
| 2000 | MLB | - | - | - | - | 73 | - | - | - | - | - | 10 |
| 2001 | MLB | - | - | - | - | 111 | - | - | - | - | - | 14 |