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| Player Name | Given Name | Birth Date | Birth Place | Height | Weight | Bat Hand | Throw Hand | Age |
|---|---|---|---|---|---|---|---|---|
| Dennis Eckersley | Dennis Lee | 10/3/1954 | Oakland CA, USA | 6'2" | 190 | Right | Right | 70 |
| Year | Team Name | Hits | Bats | Homeruns | RBI | Batting AVG | Wins | Loses | Total Games | Strikeouts | Shutouts | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1975 | Cleveland Indians | 0 | 0 | 0 | 0 | 13 | 7 | 34 | 152 | 2 | Pitcher | 1 | 0 | 12 | |
| 1976 | Cleveland Indians | 0 | 0 | 0 | 0 | 13 | 12 | 36 | 200 | 3 | Pitcher | 1 | 1 | 20 | |
| 1977 | Cleveland Indians | 0 | 0 | 0 | 0 | 14 | 13 | 33 | 191 | 3 | Pitcher | 2 | 1 | 22 | |
| 1978 | Boston Red Sox | 0 | 0 | 0 | 0 | 20 | 8 | 35 | 162 | 3 | Pitcher | 0 | 1 | 29 | |
| 1979 | Boston Red Sox | 0 | 0 | 0 | 0 | 17 | 10 | 33 | 150 | 2 | Pitcher | 6 | 3 | 42 | |
| 1980 | Boston Red Sox | 0 | 0 | 0 | 0 | 12 | 14 | 30 | 121 | 0 | Pitcher | 3 | 0 | 24 | |
| 1981 | Boston Red Sox | 0 | 0 | 0 | 0 | 9 | 8 | 23 | 79 | 2 | Pitcher | 1 | 1 | 19 | |
| 1982 | Boston Red Sox | 0 | 0 | 0 | 0 | 13 | 13 | 33 | 127 | 3 | Pitcher | 1 | 2 | 21 | |
| 1983 | Boston Red Sox | 0 | 0 | 0 | 0 | 9 | 13 | 28 | 77 | 0 | Pitcher | 1 | 0 | 18 | |
| 1984 | Boston Red Sox | 0 | 0 | 0 | 0 | 4 | 4 | 9 | 33 | 0 | Pitcher | 1 | 2 | 11 | |
| 1984 | Chicago Cubs | 6 | 55 | 0 | 1 | 0.1091 | 10 | 8 | 24 | 81 | 0 | Pitcher | 4 | 1 | 27 |
| 1985 | Chicago Cubs | 7 | 56 | 1 | 1 | 0.1250 | 11 | 7 | 25 | 117 | 2 | Pitcher | 3 | 1 | 26 |
| 1986 | Chicago Cubs | 11 | 69 | 2 | 10 | 0.1594 | 6 | 11 | 33 | 137 | 0 | Pitcher | 3 | 3 | 28 |
| 1987 | Oakland Athletics | 0 | 0 | 0 | 0 | 6 | 8 | 54 | 113 | 0 | Pitcher | 1 | 0 | 13 | |
| 1988 | Oakland Athletics | 0 | 0 | 0 | 0 | 4 | 2 | 60 | 70 | 0 | Pitcher | 0 | 0 | 3 | |
| 1989 | Oakland Athletics | 0 | 0 | 0 | 0 | 4 | 0 | 51 | 55 | 0 | Pitcher | 0 | 1 | 4 | |
| 1990 | Oakland Athletics | 0 | 0 | 0 | 0 | 4 | 2 | 63 | 73 | 0 | Pitcher | 0 | 0 | 1 | |
| 1991 | Oakland Athletics | 0 | 0 | 0 | 0 | 5 | 4 | 67 | 87 | 0 | Pitcher | 0 | 0 | 9 | |
| 1992 | Oakland Athletics | 0 | 0 | 0 | 0 | 7 | 1 | 69 | 93 | 0 | Pitcher | 0 | 1 | 10 | |
| 1993 | Oakland Athletics | 0 | 0 | 0 | 0 | 2 | 4 | 64 | 80 | 0 | Pitcher | 0 | 0 | 5 | |
| 1994 | Oakland Athletics | 0 | 0 | 0 | 0 | 5 | 4 | 45 | 47 | 0 | Pitcher | 0 | 0 | 1 | |
| 1995 | Oakland Athletics | 0 | 0 | 0 | 0 | 4 | 6 | 52 | 40 | 0 | Pitcher | 1 | 2 | 5 | |
| 1996 | St. Louis Cardinals | 0 | 1 | 0 | 0 | 0.0000 | 0 | 6 | 63 | 49 | 0 | Pitcher | 1 | 0 | 6 |
| 1997 | St. Louis Cardinals | 0 | 0 | 0 | 0 | 1 | 5 | 57 | 45 | 0 | Pitcher | 0 | 0 | 5 | |
| 1998 | Boston Red Sox | 0 | 0 | 0 | 0 | 4 | 1 | 50 | 22 | 0 | Pitcher | 1 | 0 | 4 |