| 12/31/2018 | ||||||
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| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
| Ferguson, Blake | MR | BlackIron Dragons | 33 | 08/19/1985 | Bayamón | PUR | Right | Right | 6' 1" | 219 lbs | - |
| Fernández, António | 1B | Memphis Blues | 25 | 12/08/1993 | Holguín | CUB | Switch | Right | 5' 11" | 185 lbs | - |
| Fernández, Jesús | 2B | Wichita Wranglers | 30 | 08/29/1988 | Jalapa | GUA | Right | Right | 6' 0" | 184 lbs | - |
| Fernández, Luis | LF | BlackIron Dragons | 29 | 10/28/1989 | El Castillo | MEX | Left | Right | 6' 2" | 163 lbs | - |
| Figueroa, Adrián | LF | New Hampshire Fisher Cats | 32 | 08/09/1986 | Corozal | PUR | Left | Left | 6' 1" | 229 lbs | - |
| Fleming, Michael | RF | Free Agent | 31 | 06/18/1987 | Portage | USA | Left | Left | 6' 1" | 199 lbs | - |
| Flores, Diego | MR | Wichita Wranglers | 29 | 10/31/1989 | Olga | USA | Right | Right | 6' 0" | 221 lbs | - |
| Flores, Jorge | MR | New Hampshire Fisher Cats | 21 | 11/13/1997 | Portsmouth | USA | Right | Right | 5' 7" | 200 lbs | - |
| Flores, Manny | 3B | West Palm Reds | 33 | 12/12/1985 | Santiago de Cuba | CUB | Right | Right | 6' 2" | 234 lbs | - |
| Flores, Rafael | RF | Montgomery Biscuits | 24 | 08/22/1994 | New York | USA | Left | Left | 6' 2" | 195 lbs | - |
| Flores, Wilson | SP | Key West Barracudas | 24 | 07/11/1994 | Santo Domingo | DOM | Right | Right | 6' 6" | 255 lbs | - |
| Flynn, Bobby | MR | West Virginia Power | 24 | 12/22/1994 | Saskatoon | CAN | Right | Right | 6' 1" | 200 lbs | - |
| Foster, Cory | CF | Memphis Blues | 21 | 09/29/1997 | Albertville | USA | Right | Right | 6' 0" | 190 lbs | - |
| Franklin, Ken | CF | New Hampshire Fisher Cats | 23 | 03/22/1995 | Dallas | USA | Right | Right | 6' 0" | 185 lbs | - |
| Fujii, Kiyomitsu | SP | West Virginia Power | 22 | 09/27/1996 | Akita | JPN | Switch | Right | 6' 2" | 205 lbs | - |
| Fullerton, Pat | RF | Gainesville Guidos | 22 | 11/27/1996 | Thunder Bay | CAN | Right | Left | 5' 10" | 180 lbs | - |
| Funk, Ryan | MR | Memphis Blues | 31 | 05/08/1987 | Cleveland | USA | Left | Left | 6' 4" | 227 lbs | - |
