Team fielding -- 3 Napa Neidlingers
Regular season -- as of 4/11/1978
| Primary |
| Pos | S | Name | G | GS | INN | PO | A | E | DP | TC | PCT | PB | SB | CS | SB% | PK |
| p | | Kevin Brown | 32 | 32 | 207.0 | 13 | 23 | 3 | 3 | 39 | .923 | | 3 | 4 | .429 | 1 |
| | | Steve Rogers | 32 | 32 | 216.0 | 9 | 23 | 1 | 0 | 33 | .970 | | 7 | 5 | .583 | 2 |
| | | Pedro Martinez | 32 | 32 | 192.7 | 9 | 18 | 0 | 4 | 27 | 1.000 | | 12 | 7 | .632 | 1 |
| | | C.C. Sabathia | 32 | 32 | 194.7 | 7 | 19 | 1 | 3 | 27 | .963 | | 12 | 5 | .706 | 2 |
| | | Pete Harnisch | 32 | 32 | 181.7 | 12 | 9 | 0 | 2 | 21 | 1.000 | | 12 | 7 | .632 | 1 |
| | | Roberto Osuna | 73 | 0 | 98.7 | 6 | 9 | 0 | 0 | 15 | 1.000 | | 4 | 3 | .571 | 1 |
| | | Jonny Venters | 59 | 0 | 64.0 | 3 | 10 | 1 | 1 | 14 | .929 | | 3 | 4 | .429 | 1 |
| | | Joe Nathan | 59 | 0 | 62.7 | 6 | 4 | 1 | 1 | 11 | .909 | | 3 | 3 | .500 | 0 |
| | | Andrew Miller | 53 | 0 | 73.0 | 2 | 7 | 1 | 0 | 10 | .900 | | 1 | 0 | 1.000 | 0 |
| | | Andrew Bailey | 49 | 0 | 61.0 | 3 | 5 | 0 | 0 | 8 | 1.000 | | 8 | 2 | .800 | 1 |
| | | Felix Hernandez | 24 | 0 | 47.3 | 5 | 2 | 0 | 0 | 7 | 1.000 | | 4 | 0 | 1.000 | 0 |
| | | Stephen Strasburg | 19 | 0 | 38.3 | 1 | 1 | 0 | 0 | 2 | 1.000 | | 0 | 0 | .000 | 0 |
| | | Total | 496 | 160 | 1437.0 | 76 | 130 | 8 | 14 | 214 | .963 | | 69 | 40 | .633 | 10 |
| | | | | | | | | | | | | | | | | |
| c | | Ted Simmons | 137 | 130 | 1182.0 | 1239 | 45 | 8 | 3 | 1292 | .994 | 11 | 62 | 30 | .674 | 0 |
| | | Johnny Bench | 30 | 30 | 255.0 | 252 | 8 | 1 | 1 | 261 | .996 | 1 | 7 | 10 | .412 | 0 |
| | | Total | 167 | 160 | 1437.0 | 1491 | 53 | 9 | 4 | 1553 | .994 | 12 | 69 | 40 | .633 | 0 |
| | | | | | | | | | | | | | | | | |
| 1b | | Rafael Palmeiro | 160 | 160 | 1416.3 | 1183 | 81 | 7 | 129 | 1271 | .994 | | | | | |
| | | Justin Turner | 10 | 0 | 20.7 | 15 | 0 | 0 | 0 | 15 | 1.000 | | | | | |
| | | Total | 170 | 160 | 1437.0 | 1198 | 81 | 7 | 129 | 1286 | .995 | | | | | |
| | | | | | | | | | | | | | | | | |
| 2b | | Roberto Alomar | 160 | 160 | 1404.0 | 277 | 393 | 5 | 107 | 675 | .993 | | | | | |
| | | Justin Turner | 18 | 0 | 33.0 | 6 | 8 | 0 | 0 | 14 | 1.000 | | | | | |
| | | Total | 178 | 160 | 1437.0 | 283 | 401 | 5 | 107 | 689 | .993 | | | | | |
| | | | | | | | | | | | | | | | | |
| 3b | | Ken Caminiti | 160 | 160 | 1436.0 | 78 | 247 | 18 | 23 | 343 | .948 | | | | | |
| | | Justin Turner | 1 | 0 | 1.0 | 0 | 1 | 0 | 0 | 1 | 1.000 | | | | | |
| | | Total | 161 | 160 | 1437.0 | 78 | 248 | 18 | 23 | 344 | .948 | | | | | |
| | | | | | | | | | | | | | | | | |
| ss | | John Valentin | 160 | 160 | 1421.7 | 165 | 477 | 18 | 87 | 660 | .973 | | | | | |
| | | Justin Turner | 6 | 0 | 15.3 | 3 | 6 | 0 | 2 | 9 | 1.000 | | | | | |
| | | Total | 166 | 160 | 1437.0 | 168 | 483 | 18 | 89 | 669 | .973 | | | | | |
| | | | | | | | | | | | | | | | | |
| lf | | David Justice | 160 | 160 | 1423.7 | 325 | 10 | 6 | 3 | 341 | .982 | | | | | |
| | | Jim Rice | 5 | 0 | 10.3 | 5 | 0 | 0 | 0 | 5 | 1.000 | | | | | |
| | | Ted Simmons | 2 | 0 | 3.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 167 | 160 | 1437.0 | 330 | 10 | 6 | 3 | 346 | .983 | | | | | |
| | | | | | | | | | | | | | | | | |
| cf | | Bernie Williams | 160 | 160 | 1302.7 | 342 | 1 | 4 | 0 | 347 | .988 | | | | | |
| | | Mike Cameron | 90 | 0 | 133.3 | 34 | 0 | 0 | 0 | 34 | 1.000 | | | | | |
| | | Justin Turner | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 251 | 160 | 1437.0 | 376 | 1 | 4 | 0 | 381 | .990 | | | | | |
| | | | | | | | | | | | | | | | | |
| rf | | Dwight Evans | 160 | 160 | 1436.0 | 311 | 5 | 1 | 2 | 317 | .997 | | | | | |
| | | Jim Rice | 1 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | .000 | | | | | |
| | | Total | 161 | 160 | 1437.0 | 311 | 5 | 1 | 2 | 317 | .997 | | | | | |
| | | | | | | | | | | | | | | | | |
| | | Total | 160 | 160 | 1437.0 | 4311 | 1412 | 76 | 138 | 5799 | .987 | 12 | | | | |