| Team | Age | Year of Death | Team Name | Last Name | First Name | Name Given | Hits |
At Bats | Home Runs | RBI | Batting Average | Errors | Position | Double Plays | Assists |
Wins | Losses | Games pitched in | Strikeouts | Shutouts |
| St. Louis Browns 1935 | 83 | 1997 | St. Louis Browns | Mazzera | Mel | Melvin Leonard | 7 | 30 | 1 | 2 | 0.233% | 1 | OF | 0 | 1 | | | | | |
| St. Louis Browns 1937 | 83 | 1997 | St. Louis Browns | Mazzera | Mel | Melvin Leonard | 2 | 7 | 0 | 0 | 0.286% | | | | | | | | | |
| St. Louis Browns 1938 | 83 | 1997 | St. Louis Browns | Mazzera | Mel | Melvin Leonard | 57 | 204 | 6 | 29 | 0.279% | 2 | OF | 1 | 7 | | | | | |
| St. Louis Browns 1939 | 83 | 1997 | St. Louis Browns | Mazzera | Mel | Melvin Leonard | 33 | 110 | 3 | 22 | 0.300% | 1 | OF | 0 | 1 | | | | | |
| Philadelphia Phillies 1940 | 83 | 1997 | Philadelphia Phillies | Mazzera | Mel | Melvin Leonard | 37 | 156 | 0 | 13 | 0.237% | 0 | 1B | 1 | 1 | | | | | |
| Philadelphia Phillies 1940 | 83 | 1997 | Philadelphia Phillies | Mazzera | Mel | Melvin Leonard | 37 | 156 | 0 | 13 | 0.237% | 1 | OF | 2 | 5 | | | | | |