| Primary Position: Second Base | Bats: R Throws: R |
| Born: September 25, 1957 | Location: Hahn, Rhineland-Palatinate West Germany |
| Played in 12 Major League seasons (1978-1989) | |
| Year | League | Team | Age | Shark WAR | Batting WAR | G | PA | H | 2B | 3B | HR | BB | SB | CS | wRC | OBP | SLG | Pos |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | NL | ATL | 20 | 0.2 | -0.1 | 44 | 179 | 42 | 4 | 0 | 2 | 10 | 2 | 1 | 13.000 | 0.309 | 0.319 | 2B |
| 1979 | NL | ATL | 21 | -1.4 | -1.4 | 97 | 357 | 75 | 12 | 0 | 3 | 27 | 0 | 6 | 21.240 | 0.290 | 0.295 | 2B |
| 1980 | NL | ATL | 22 | 2.7 | 0.8 | 117 | 487 | 107 | 21 | 3 | 9 | 49 | 7 | 5 | 45.801 | 0.322 | 0.373 | 2B |
| 1981 | NL | ATL | 23 | 0.7 | 0.2 | 99 | 400 | 85 | 13 | 5 | 6 | 33 | 4 | 2 | 32.200 | 0.302 | 0.349 | 2B |
| 1982 | NL | ATL | 24 | 3.6 | 1.0 | 145 | 618 | 132 | 25 | 1 | 9 | 59 | 4 | 3 | 54.808 | 0.324 | 0.350 | 2B |
| 1983 | NL | ATL | 25 | 3.6 | 1.6 | 148 | 592 | 136 | 24 | 6 | 12 | 55 | 3 | 8 | 62.807 | 0.335 | 0.402 | 2B |
| 1984 | NL | ATL | 26 | 3.1 | 1.4 | 120 | 461 | 93 | 27 | 2 | 9 | 55 | 4 | 1 | 47.481 | 0.331 | 0.380 | 2B |
| 1985 | NL | ATL | 27 | 5.5 | 0.0 | 142 | 512 | 102 | 21 | 0 | 5 | 56 | 4 | 3 | 40.467 | 0.321 | 0.314 | 2B |
| 1986 | NL | ATL | 28 | 3.3 | 0.3 | 143 | 488 | 94 | 16 | 1 | 4 | 66 | 3 | 2 | 41.651 | 0.340 | 0.304 | 2B |
| 1987 | NL | ATL | 29 | 4.8 | 1.9 | 141 | 533 | 117 | 33 | 2 | 5 | 77 | 1 | 1 | 64.105 | 0.378 | 0.382 | 2B |
| 1988 | AL | OAK | 30 | 1.5 | 0.8 | 105 | 342 | 75 | 12 | 2 | 3 | 33 | 1 | 3 | 33.157 | 0.334 | 0.340 | 2B |
| 1989 | AL | OAK | 31 | 0.8 | 0.0 | 53 | 153 | 26 | 6 | 0 | 3 | 19 | 2 | 0 | 11.662 | 0.296 | 0.313 | 2B |
| Career Totals | 28.3 | 6.5 | 1354 | 5122 | 1084 | 214 | 22 | 70 | 539 | 35 | 35 | 468.379 | 0.323 | 0.349 | ||||
| Year | Position | Team | Age | Fielding WAR | G | Inn | PO | A | E | DP | Def Runs Saved |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | 2B | ATL | 20 | 0.3 | 44.0 | 389.3 | 102.0 | 130.0 | 5.0 | 30.0 | 2.783 |
| 1979 | 2B | ATL | 21 | 0.1 | 91.0 | 767.7 | 193.0 | 268.0 | 15.0 | 57.0 | 0.679 |
| 1980 | 2B | ATL | 22 | 2.0 | 117.0 | 1007.7 | 268.0 | 405.0 | 15.0 | 91.0 | 19.706 |
| 1981 | 2B | ATL | 23 | 0.4 | 98.0 | 872.3 | 188.0 | 344.0 | 5.0 | 50.0 | 4.274 |
| 1982 | 2B | ATL | 24 | 2.6 | 144.0 | 1270.7 | 312.0 | 505.0 | 14.0 | 111.0 | 25.418 |
| 1983 | 2B | ATL | 25 | 2.1 | 148.0 | 1254.3 | 313.0 | 484.0 | 12.0 | 103.0 | 20.274 |
| 1984 | 2B | ATL | 26 | 1.6 | 117.0 | 1010.0 | 237.0 | 405.0 | 8.0 | 78.0 | 14.341 |
| 1985 | 2B | ATL | 27 | 5.5 | 140.0 | 1141.7 | 339.0 | 539.0 | 10.0 | 127.0 | 51.367 |
| 1986 | 2B | ATL | 28 | 3.1 | 142.0 | 1177.7 | 282.0 | 487.0 | 19.0 | 120.0 | 30.120 |
| 1987 | 2B | ATL | 29 | 2.9 | 139.0 | 1186.0 | 284.0 | 478.0 | 11.0 | 114.0 | 27.753 |
| 1988 | 2B | OAK | 30 | 0.7 | 104.0 | 788.7 | 195.0 | 267.0 | 6.0 | 60.0 | 5.083 |
| 1989 | 2B | OAK | 31 | 0.8 | 48.0 | 340.0 | 82.0 | 132.0 | 7.0 | 34.0 | 6.496 |
| 2B (12 seasons) | 21.9 | 1332.0 | 11206.0 | 2795.0 | 4444.0 | 127.0 | 975.0 | 208.2938 | |||