Singleton has drawn a free base 1,300 times while striking out on 1,306 chances. His on-base % is .383 and he has earned a career OPS of .427. He has accumulated 1,013 runs in addition to having 1,101 runs batted in. He has homered 252 times, with 3,239 bases in total and also a .043 slugging percentage. For the 7,552 at-bats in his pro career, Singleton has accrued an average at the plate of .279 and has racked up 2,107 base hits.
For the year, Singleton has compiled 28 runs, accounted for 36 runs batted in and has hit 6 home runs. He has taken a base 37 times and has an on-base percentage of .286. Singleton has compiled 78 hits in 363 at-bats for a batting average of .215. He has been struck out 60 times while having 105 total bases. He has recorded an OPS of 0.575 and a slugging % of .289.
| Year | Team | BA | HR | H | BB | R | RBI | OBP | PA | AB | OPS | OPS+ | 2B | 3B | G | SLG | SB | CS | TB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Career | .282 | 246 | 2,029 | 1,263 | 985 | 1,065 | .388 | 8,559 | 7,189 | .824 | 132 | 317 | 25 | 2,082 | .436 | 21 | 36 | 3,134 | 1,246 | |
| 1984 | BAL | .215 | 6 | 78 | 37 | 28 | 36 | .286 | 404 | 363 | .575 | 62 | 7 | 1 | 111 | .289 | 0 | 0 | 105 | 60 |
| 1983 | BAL | .276 | 18 | 140 | 99 | 52 | 84 | .393 | 612 | 507 | .829 | 131 | 21 | 3 | 151 | .436 | 0 | 2 | 221 | 83 |
| 1982 | BAL | .251 | 14 | 141 | 86 | 71 | 77 | .349 | 657 | 561 | .731 | 101 | 27 | 2 | 156 | .381 | 0 | 1 | 214 | 93 |
| 1981 | BAL | .278 | 13 | 101 | 61 | 48 | 49 | .380 | 428 | 363 | .816 | 135 | 16 | 1 | 103 | .435 | 0 | 0 | 158 | 59 |
| 1980 | BAL | .304 | 24 | 177 | 92 | 85 | 104 | .397 | 680 | 583 | .882 | 142 | 28 | 3 | 156 | .485 | 0 | 2 | 283 | 94 |
| 1979 | BAL | .295 | 35 | 168 | 109 | 93 | 111 | .405 | 688 | 570 | .938 | 155 | 29 | 1 | 159 | .533 | 3 | 1 | 304 | 118 |
| 1978 | BAL | .293 | 20 | 147 | 98 | 67 | 81 | .409 | 608 | 502 | .871 | 152 | 21 | 2 | 149 | .462 | 0 | 0 | 232 | 94 |
| 1977 | BAL | .328 | 24 | 176 | 107 | 90 | 99 | .438 | 651 | 536 | .945 | 165 | 24 | 0 | 152 | .507 | 0 | 1 | 272 | 101 |
| 1976 | BAL | .278 | 13 | 151 | 79 | 62 | 70 | .366 | 630 | 544 | .769 | 132 | 25 | 2 | 154 | .403 | 2 | 2 | 219 | 76 |
| 1975 | BAL | .300 | 15 | 176 | 118 | 88 | 55 | .415 | 714 | 586 | .869 | 153 | 37 | 4 | 155 | .454 | 3 | 5 | 266 | 82 |
| 1974 | MON | .276 | 9 | 141 | 93 | 68 | 74 | .385 | 610 | 511 | .761 | 110 | 20 | 2 | 148 | .376 | 5 | 2 | 192 | 84 |
| 1973 | MON | .302 | 23 | 169 | 123 | 100 | 103 | .425 | 692 | 560 | .904 | 148 | 26 | 2 | 162 | .479 | 2 | 8 | 268 | 91 |
| 1972 | MON | .274 | 14 | 139 | 70 | 77 | 50 | .363 | 585 | 507 | .773 | 119 | 23 | 2 | 142 | .410 | 5 | 10 | 208 | 99 |
| 1971 | NYM | .245 | 13 | 73 | 61 | 34 | 46 | .374 | 366 | 298 | .766 | 120 | 5 | 0 | 115 | .393 | 0 | 1 | 117 | 64 |
| 1970 | NYM | .263 | 5 | 52 | 30 | 22 | 26 | .361 | 234 | 198 | .740 | 99 | 8 | 0 | 69 | .379 | 1 | 1 | 75 | 48 |
