| year | team name | league | level | mlb | # | age | pos | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr |
| 1975 | San Francisco Giants | NL | MLB | SFN | 10 | 21 | SS | 22 | 74 | 4 | 14 | 4 | 0 | 2 | 9 | 2 | 1 | 4 | 15 | 1 | 0 | 0 | 0 | 0 | 24 | 79 | 6 | 8 | .189 | .241 | .324 | .565 | .203 | .135 | .211 | 5.06 | 18.99 | 3.75 | 37.00 | |
| 1976 | Phoenix Giants | PCL | AAA | SFN | - | 22 | SS | 84 | 105 | 380 | 60 | 94 | 14 | 5 | 4 | 35 | 11 | 7 | 37 | 67 | 1 | 1 | 2 | 0 | 0 | 130 | 421 | 23 | 71 | .247 | .314 | .342 | .656 | .203 | .095 | .289 | 8.79 | 15.91 | 1.81 | 95.00 |
| 1976 | San Francisco Giants | NL | MLB | SFN | 10 | 22 | SS | 33 | 100 | 9 | 21 | 3 | 2 | 0 | 9 | 2 | 0 | 2 | 21 | 0 | 2 | 1 | 0 | 2 | 28 | 105 | 5 | 16 | .210 | .223 | .280 | .503 | .110 | .070 | .263 | 1.90 | 20.00 | 10.50 | 0.00 | |
| 1977 | Phoenix Giants | PCL | AAA | SFN | - | 23 | SS | 22 | 70 | 12 | 22 | 7 | 2 | 0 | 13 | 3 | 3 | 14 | 14 | 0 | 0 | 3 | 0 | 0 | 33 | 87 | 9 | 13 | .314 | .414 | .471 | .885 | .357 | .157 | .373 | 16.09 | 16.09 | 1.00 | 0.00 | |
| 1977 | San Francisco Giants | NL | MLB | SFN | 10 | 23 | SS | 59* | 68 | 134 | 13 | 20 | 5 | 1 | 0 | 8 | 2 | 1 | 13 | 27 | 0 | 4 | 1 | 3 | 0 | 27 | 152 | 6 | 14 | .149 | .223 | .201 | .424 | .157 | .052 | .185 | 8.55 | 17.76 | 2.08 | 0.00 |
| 1978 | San Francisco Giants | NL | MLB | SFN | 10 | 24 | SS | 89 | 101 | 272 | 23 | 64 | 18 | 3 | 1 | 14 | 6 | 6 | 21 | 45 | 1 | 14 | 0 | 1 | 4 | 91 | 308 | 22 | 42 | .235 | .293 | .335 | .628 | .176 | .100 | .279 | 6.82 | 14.61 | 2.14 | 272.00 |
| 1979 | San Francisco Giants | NL | MLB | SFN | 10 | 25 | SS | 88 | 108 | 343 | 42 | 87 | 11 | 2 | 3 | 29 | 9 | 5 | 23 | 55 | 2 | 3 | 1 | 1 | 6 | 111 | 372 | 16 | 71 | .254 | .304 | .324 | .628 | .149 | .070 | .294 | 6.18 | 14.78 | 2.39 | 114.33 |
| 1980 | San Francisco Giants | NL | MLB | SFN | 10 | 26 | SS | 78 | 135 | 405 | 33 | 87 | 16 | 6 | 3 | 31 | 0 | 1 | 25 | 57 | 0 | 7 | 5 | 5 | 7 | 124 | 442 | 25 | 62 | .215 | .257 | .306 | .563 | .151 | .091 | .240 | 5.66 | 12.90 | 2.28 | 135.00 |
| 1981 | San Francisco Giants | NL | MLB | SFN | 10 | 27 | SS | 84 | 104 | 324 | 27 | 82 | 9 | 1 | 0 | 28 | 3 | 7 | 24 | 46 | 1 | 4 | 1 | 7 | 9 | 93 | 354 | 10 | 72 | .253 | .306 | .287 | .593 | .096 | .034 | .294 | 6.78 | 12.99 | 1.92 | 0.00 |
| 1982 | San Francisco Giants | NL | MLB | SFN | 10 | 28 | SS | 75 | 130 | 436 | 34 | 94 | 14 | 1 | 2 | 30 | 13 | 4 | 31 | 78 | 0 | 5 | 2 | 10 | 14 | 116 | 474 | 17 | 77 | .216 | .267 | .266 | .533 | .142 | .050 | .257 | 6.54 | 16.46 | 2.52 | 218.00 |
| 1983 | San Francisco Giants | NL | MLB | SFN | 10 | 29 | SS | 90 | 141 | 534 | 81 | 128 | 16 | 1 | 6 | 30 | 39 | 19 | 60 | 96 | 2 | 8 | 4 | 3 | 3 | 164 | 608 | 23 | 105 | .240 | .317 | .307 | .624 | .217 | .067 | .280 | 9.87 | 15.79 | 1.60 | 89.00 |
| 1984 | San Francisco Giants | NL | MLB | SFN | 10 | 30 | SS | 79 | 132 | 451 | 46 | 98 | 13 | 2 | 4 | 32 | 17 | 5 | 31 | 97 | 0 | 7 | 4 | 5 | 6 | 127 | 493 | 19 | 79 | .217 | .265 | .282 | .547 | .160 | .065 | .266 | 6.29 | 19.68 | 3.13 | 112.75 |
| 1985 | San Francisco Giants | NL | MLB | SFN | 10 | 31 | SS | 12 | 16 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | .000 | .059 | .000 | .059 | .063 | .000 | .000 | 5.88 | 29.41 | 5.00 | 0.00 | |
| 1985 | Cleveland Indians | AL | MLB | CLE | 11 | 31 | SS | 11 | 20 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 6 | 0 | 1 | 0 | 0 | 0 | 3 | 21 | 0 | 3 | .150 | .150 | .150 | .300 | -0.050 | .000 | .214 | 0.00 | 28.57 | 0.00 | 0.00 | |
| 1985 | Pittsburgh Pirates | NL | MLB | PIT | 10 | 31 | SS | 22 | 58 | 4 | 9 | 0 | 0 | 1 | 6 | 1 | 0 | 5 | 12 | 0 | 2 | 0 | 2 | 1 | 12 | 65 | 1 | 8 | .155 | .222 | .207 | .429 | .155 | .052 | .178 | 7.69 | 18.46 | 2.40 | 58.00 | |
| 1986 | Indianapolis Indians | Amer | AAA | MON | - | 32 | 2B-SS | 7 | 12 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 13 | 0 | 4 | .333 | .385 | .333 | .718 | .083 | .000 | .400 | 7.69 | 15.38 | 2.00 | 0.00 | |
| 1987 | Tacoma Tigers | PCL | AAA | OAK | - | 33 | SS | 88 | 57 | 167 | 20 | 45 | 3 | 1 | 1 | 14 | 4 | 1 | 14 | 30 | 0 | 5 | 3 | 1 | 0 | 53 | 189 | 5 | 40 | .269 | .321 | .317 | .638 | .150 | .048 | .317 | 7.41 | 15.87 | 2.14 | 167.00 |
| 1987 | Oakland Athletics | AL | MLB | OAK | 13 | 33 | 3B-SS | 20 | 24 | 3 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 25 | 0 | 2 | .083 | .120 | .083 | .203 | .000 | .000 | .100 | 4.00 | 16.00 | 4.00 | 0.00 | |
| Tot: | MLB (12 yrs) | MLB | 1039 | 3191 | 320 | 709 | 109 | 19 | 22 | 229 | 94 | 51 | 241 | 564 | 7 | 57 | 19 | 37 | 52 | 922 | 3515 | 150 | 559 | .222 | .277 | .289 | .566 | .156 | .067 | .262 | 6.86 | 16.05 | 2.34 | 145.05 | ||||||
| Tot: | AL (2 yrs) | AL | 31 | 44 | 3 | 5 | 0 | 0 | 0 | 3 | 0 | 2 | 1 | 10 | 0 | 1 | 0 | 0 | 0 | 5 | 46 | 0 | 5 | .114 | .133 | .114 | .247 | -0.023 | .000 | .147 | 2.17 | 21.74 | 10.00 | |||||||
| Tot: | NL (11 yrs) | NL | 1008 | 3147 | 317 | 704 | 109 | 19 | 22 | 226 | 94 | 49 | 240 | 554 | 7 | 56 | 19 | 37 | 52 | 917 | 3469 | 150 | 554 | .224 | .279 | .291 | .570 | .158 | .068 | .263 | 6.92 | 15.97 | 2.31 | 143.05 | ||||||
| Tot: | Minors (4 yrs) | Minors | 191 | 629 | 93 | 165 | 24 | 8 | 5 | 62 | 18 | 11 | 66 | 113 | 1 | 6 | 8 | 1 | 0 | 220 | 710 | 37 | 128 | .262 | .330 | .350 | .679 | .203 | .087 | .308 | 9.30 | 15.92 | 1.71 | 125.80 | ||||||
| Tot: | AAA (4 yrs) | AAA | 191 | 629 | 93 | 165 | 24 | 8 | 5 | 62 | 18 | 11 | 66 | 113 | 1 | 6 | 8 | 1 | 0 | 220 | 710 | 37 | 128 | .262 | .330 | .350 | .679 | .203 | .087 | .308 | 9.30 | 15.92 | 1.71 | 125.80 | ||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Speed | Power | Contact | Xtra | Rbis | Runs | Hitting | Durability | Team Success |
| 69 | 35 | 36 | 41 | 34 | 50 | 35 | 50 | .485 |