| Home | Teams and Players | Homerun Kings | Top Salaries | Most Runs Batted In | Hall of Fame |
| Name | Jim Willoughby |
| Given Name | James Arthur |
| Birth Date | 1949-1-31 |
| Birth City | Salinas, CA |
| Height | 6'2" |
| Weight | 185 lbs. |
| Batting Hand | Right |
| Pitching Hand | Right |
| Alive | Yes |
| Age | 77 |
| Year | Team | Hits | At Bats | Home Runs | Runs Batted | Batting Average | Wins | Losses | # of Pitching Games | Strikeouts | # of Shutouts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1971 | San Francisco Giants | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 0 |
| 1972 | San Francisco Giants | 5 | 27 | 0 | 0 | 0.185185 | 6 | 4 | 11 | 40 | 0 |
| 1973 | San Francisco Giants | 4 | 28 | 1 | 3 | 0.142857 | 4 | 5 | 39 | 60 | 1 |
| 1974 | San Francisco Giants | 1 | 10 | 0 | 0 | 0.1 | 1 | 4 | 18 | 12 | 0 |
| 1975 | Boston Red Sox | 0 | 0 | 0 | 0 | NAN | 5 | 2 | 24 | 29 | 0 |
| 1976 | Boston Red Sox | 0 | 1 | 0 | 0 | 0 | 3 | 12 | 54 | 37 | 0 |
| 1977 | Boston Red Sox | 0 | 0 | 0 | 0 | NAN | 6 | 2 | 31 | 33 | 0 |
| 1978 | Chicago White Sox | 0 | 0 | 0 | 0 | NAN | 1 | 6 | 59 | 36 | 0 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 1971 | Pitcher | 0 | 0 | 2 |
| 1972 | Pitcher | 1 | 1 | 12 |
| 1973 | Pitcher | 0 | 1 | 15 |
| 1974 | Pitcher | 0 | 0 | 10 |
| 1975 | Pitcher | 0 | 0 | 7 |
| 1976 | Pitcher | 2 | 1 | 22 |
| 1977 | Pitcher | 1 | 1 | 10 |
| 1978 | Pitcher | 1 | 3 | 19 |