Team fielding -- 3 Can-O-Corns
Regular season -- as of 4/2/1978
| Primary |
| Pos | S | Name | G | GS | INN | PO | A | E | DP | TC | PCT | PB | SB | CS | SB% | PK |
| p | | Jack Morris | 32 | 32 | 205.3 | 16 | 19 | 5 | 2 | 40 | .875 | | 16 | 4 | .800 | 1 |
| | | Marcus Stroman | 32 | 32 | 182.7 | 8 | 27 | 1 | 4 | 36 | .972 | | 13 | 1 | .929 | 0 |
| | | Bob Welch | 32 | 32 | 182.0 | 13 | 17 | 1 | 0 | 31 | .968 | | 4 | 4 | .500 | 0 |
| | | Carlos Zambrano | 32 | 32 | 173.3 | 9 | 20 | 2 | 0 | 31 | .935 | | 3 | 5 | .375 | 5 |
| | | Fernando Valenzuela | 32 | 32 | 169.0 | 12 | 18 | 0 | 0 | 30 | 1.000 | | 13 | 6 | .684 | 0 |
| | | Kent Tekulve | 76 | 0 | 82.0 | 9 | 10 | 0 | 3 | 19 | 1.000 | | 6 | 0 | 1.000 | 0 |
| | | Dave Smith | 81 | 0 | 74.3 | 8 | 8 | 1 | 1 | 17 | .941 | | 4 | 2 | .667 | 1 |
| | | Lee Smith | 75 | 0 | 87.0 | 7 | 4 | 0 | 0 | 11 | 1.000 | | 9 | 4 | .692 | 0 |
| | | Jeff Reardon | 66 | 0 | 64.0 | 2 | 4 | 0 | 1 | 6 | 1.000 | | 5 | 1 | .833 | 2 |
| | | Tom Henke | 64 | 0 | 72.0 | 2 | 2 | 1 | 0 | 5 | .800 | | 1 | 0 | 1.000 | 0 |
| | | Rick Aguilera | 62 | 0 | 67.3 | 2 | 3 | 0 | 0 | 5 | 1.000 | | 4 | 0 | 1.000 | 0 |
| | | Dan Plesac | 74 | 0 | 67.7 | 2 | 1 | 0 | 0 | 3 | 1.000 | | 4 | 0 | 1.000 | 0 |
| | | Ron Darling | 5 | 0 | 2.7 | 1 | 0 | 0 | 0 | 1 | 1.000 | | 1 | 0 | 1.000 | 0 |
| | | Tom Candiotti | 11 | 0 | 13.3 | 0 | 1 | 0 | 0 | 1 | 1.000 | | 0 | 0 | .000 | 0 |
| | | Orel Hershiser | 1 | 0 | 2.0 | 0 | 0 | 0 | 0 | 0 | .000 | | 0 | 0 | .000 | 0 |
| | | Total | 675 | 160 | 1444.7 | 91 | 134 | 11 | 11 | 236 | .953 | | 83 | 27 | .755 | 9 |
| | | | | | | | | | | | | | | | | |
| c | | Gary Carter | 160 | 160 | 1255.0 | 1138 | 50 | 4 | 12 | 1192 | .997 | 6 | 77 | 25 | .755 | 0 |
| | | Lance Parrish | 89 | 0 | 187.7 | 177 | 6 | 0 | 1 | 183 | 1.000 | 2 | 6 | 2 | .750 | 0 |
| | | Ian Kinsler | 1 | 0 | 2.0 | 4 | 0 | 0 | 0 | 4 | 1.000 | 1 | 0 | 0 | .000 | 0 |
| | | Total | 250 | 160 | 1444.7 | 1319 | 56 | 4 | 13 | 1379 | .997 | 9 | 83 | 27 | .755 | 0 |
| | | | | | | | | | | | | | | | | |
| 1b | | Keith Hernandez | 131 | 127 | 1156.3 | 993 | 79 | 3 | 125 | 1075 | .997 | | | | | |
| | | George Brett | 33 | 33 | 276.7 | 243 | 23 | 2 | 23 | 268 | .993 | | | | | |
| | | Fred McGriff | 6 | 0 | 11.7 | 10 | 0 | 0 | 1 | 10 | 1.000 | | | | | |
| | | Total | 170 | 160 | 1444.7 | 1246 | 102 | 5 | 149 | 1353 | .996 | | | | | |
| | | | | | | | | | | | | | | | | |
| 2b | | Julio Franco | 160 | 160 | 1368.0 | 300 | 435 | 11 | 116 | 746 | .985 | | | | | |
| | | Willie Randolph | 35 | 0 | 59.7 | 17 | 20 | 4 | 5 | 41 | .902 | | | | | |
| | | Ian Kinsler | 9 | 0 | 17.0 | 4 | 6 | 0 | 2 | 10 | 1.000 | | | | | |
| | | Total | 204 | 160 | 1444.7 | 321 | 461 | 15 | 123 | 797 | .981 | | | | | |
| | | | | | | | | | | | | | | | | |
| 3b | | Mike Schmidt | 160 | 160 | 1443.7 | 96 | 271 | 20 | 34 | 387 | .948 | | | | | |
| | | George Brett | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 161 | 160 | 1444.7 | 96 | 271 | 20 | 34 | 387 | .948 | | | | | |
| | | | | | | | | | | | | | | | | |
| ss | | Alan Trammell | 160 | 160 | 1437.7 | 205 | 468 | 14 | 98 | 687 | .980 | | | | | |
| | | George Brett | 2 | 0 | 7.0 | 0 | 2 | 0 | 0 | 2 | 1.000 | | | | | |
| | | Total | 162 | 160 | 1444.7 | 205 | 470 | 14 | 98 | 689 | .980 | | | | | |
| | | | | | | | | | | | | | | | | |
| lf | | Pedro Guerrero | 127 | 127 | 1151.3 | 251 | 12 | 5 | 1 | 268 | .981 | | | | | |
| | | Dale Murphy | 33 | 33 | 293.3 | 71 | 0 | 2 | 0 | 73 | .973 | | | | | |
| | | Total | 160 | 160 | 1444.7 | 322 | 12 | 7 | 1 | 341 | .979 | | | | | |
| | | | | | | | | | | | | | | | | |
| cf | | Fred Lynn | 128 | 127 | 1101.0 | 325 | 10 | 1 | 2 | 336 | .997 | | | | | |
| | | Pedro Guerrero | 33 | 33 | 292.3 | 90 | 2 | 3 | 1 | 95 | .968 | | | | | |
| | | Dale Murphy | 23 | 0 | 40.3 | 15 | 0 | 0 | 0 | 15 | 1.000 | | | | | |
| | | Denard Span | 3 | 0 | 11.0 | 4 | 0 | 0 | 0 | 4 | 1.000 | | | | | |
| | | Total | 187 | 160 | 1444.7 | 434 | 12 | 4 | 3 | 450 | .991 | | | | | |
| | | | | | | | | | | | | | | | | |
| rf | | Darryl Strawberry | 160 | 160 | 1443.7 | 300 | 4 | 9 | 3 | 313 | .971 | | | | | |
| | | Pedro Guerrero | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 161 | 160 | 1444.7 | 300 | 4 | 9 | 3 | 313 | .971 | | | | | |
| | | | | | | | | | | | | | | | | |
| | | Total | 160 | 160 | 1444.7 | 4334 | 1522 | 89 | 159 | 5945 | .985 | 9 | | | | |