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| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
| Ramírez, Armando | RF | Dunedin Blue Jays | 24 | 01/28/1994 | Bayamón | PUR | Right | Right | 6' 0" | 205 lbs | - |
| Ramírez, Luis | RF | Free Agent | 31 | 05/16/1987 | Managua | NCA | Right | Left | 6' 0" | 203 lbs | - |
| Rankin, Avery | SS | Athens Assassins | 26 | 10/11/1992 | Long Beach | USA | Right | Right | 6' 1" | 197 lbs | - |
| Reed, Ed | MR | Free Agent | 23 | 04/18/1995 | Redwood City | USA | Left | Left | 5' 9" | 210 lbs | - |
| Reséndez, Valentín | CL | State College Spikes | 20 | 11/18/1998 | Guantanamo | CUB | Left | Left | 6' 2" | 255 lbs | - |
| Rivera, Jorge | SS | Tolland Singrays | 23 | 03/07/1995 | Silver Spring | USA | Right | Right | 6' 3" | 225 lbs | - |
| Rivera, Juan | RF | State College Spikes | 23 | 11/29/1995 | La Vega | DOM | Right | Left | 5' 10" | 205 lbs | - |
| Rivera, Luis | 3B | Myrtle Beach Waves | 24 | 07/29/1994 | Santiago de Cuba | CUB | Left | Right | 6' 0" | 190 lbs | - |
| Robbins, Allen | SP | State College Spikes | 23 | 08/16/1995 | New York | USA | Right | Left | 6' 2" | 220 lbs | - |
| Rodríguez, Daniel | SP | Pensacola Pilots | 24 | 01/14/1994 | Oaklyn | USA | Left | Left | 6' 2" | 205 lbs | - |
| Rodríguez, Francisco | CF | Savannah Hogs | 20 | 04/06/1998 | Salt Lake City | USA | Switch | Right | 6' 0" | 195 lbs | - |
| Rodríguez, Jorge | CF | Tolland Singrays | 22 | 03/10/1996 | The Bronx | USA | Left | Left | 6' 3" | 210 lbs | - |
| Rodríguez, José | MR | Myrtle Beach Waves | 24 | 09/20/1994 | Vista | USA | Right | Left | 5' 9" | 170 lbs | - |
| Rodríguez, Pedro | 1B | Athens Assassins | 22 | 01/16/1996 | La Vega | DOM | Right | Right | 5' 10" | 195 lbs | - |
| Rojas, Joaquín | SP | State College Spikes | 21 | 11/14/1997 | Morton Grove | USA | Right | Right | 5' 10" | 225 lbs | - |
| Romano, Esteban | RF | Louisville Rockets | 25 | 11/28/1993 | San Francisco | USA | Left | Right | 5' 10" | 190 lbs | - |
| Romero, Juan | LF | Nantucket Orcas | 22 | 08/14/1996 | Jucuapa | SLV | Right | Right | 6' 6" | 180 lbs | - |
| Romo, Ramón | SP | Free Agent | 26 | 11/23/1992 | Paterson | USA | Right | Right | 5' 10" | 220 lbs | - |
| Rúbio, Enrique | SP | State College Spikes | 24 | 08/16/1994 | Irondale | USA | Right | Right | 5' 11" | 220 lbs | - |
| Ruíz, Rodrigo | CF | Tolland Singrays | 23 | 06/24/1995 | Managua | NCA | Right | Right | 6' 2" | 175 lbs | - |
| Ruíz, Russell | MR | Free Agent | 24 | 06/22/1994 | Terra Bella | USA | Right | Right | 5' 10" | 205 lbs | - |
