| Home | Teams and Players | Homerun Kings | Top Salaries | Most Runs Batted In | Hall of Fame |
| Name | Mike Guerra |
| Given Name | Fermin |
| Birth Date | 1912-10-11 |
| Birth City | La Habana, La Habana |
| Birth Country | Cuba |
| Height | 5'10" |
| Weight | 155 lbs. |
| Batting Hand | Right |
| Pitching Hand | Right |
| Alive | No |
| Age | 80 |
| Year | Team | Hits | At Bats | Home Runs | Runs Batted | Batting Average | Wins | Losses | # of Pitching Games | Strikeouts | # of Shutouts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1937 | Washington Senators | 0 | 3 | 0 | 0 | 0 | |||||
| 1944 | Washington Senators | 59 | 210 | 1 | 29 | 0.280952 | |||||
| 1945 | Washington Senators | 29 | 138 | 1 | 15 | 0.210145 | |||||
| 1946 | Washington Senators | 21 | 83 | 0 | 4 | 0.253012 | |||||
| 1947 | Philadelphia Athletics | 45 | 209 | 0 | 18 | 0.215311 | |||||
| 1948 | Philadelphia Athletics | 30 | 142 | 1 | 23 | 0.211268 | |||||
| 1949 | Philadelphia Athletics | 79 | 298 | 3 | 31 | 0.265101 | |||||
| 1950 | Philadelphia Athletics | 71 | 252 | 2 | 26 | 0.281746 | |||||
| 1951 | Boston Red Sox | 5 | 32 | 0 | 2 | 0.15625 | |||||
| 1951 | Boston Red Sox | 43 | 214 | 1 | 20 | 0.200935 | |||||
| 1951 | Washington Senators | 5 | 32 | 0 | 2 | 0.15625 | |||||
| 1951 | Washington Senators | 43 | 214 | 1 | 20 | 0.200935 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 1937 | Catcher | 1 | 0 | 0 |
| 1944 | Catcher | 10 | 8 | 32 |
| 1944 | Outfielder | 0 | 0 | 0 |
| 1945 | Catcher | 2 | 3 | 28 |
| 1946 | Catcher | 6 | 4 | 16 |
| 1947 | Catcher | 9 | 5 | 36 |
| 1948 | Catcher | 5 | 1 | 20 |
| 1949 | Catcher | 7 | 3 | 48 |
| 1950 | Catcher | 3 | 8 | 33 |
| 1951 | Catcher | 0 | 1 | 4 |
| 1951 | Catcher | 5 | 0 | 25 |