| 12/31/2018 | ||||||
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| K |
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
| Kamerman, Aidan | MR | West Palm Reds | 29 | 12/26/1989 | Blaricum | NED | Switch | Right | 6' 3" | 204 lbs | - |
| Kawamura, Sosuke | LF | Free Agent | 32 | 01/02/1986 | Ozu | JPN | Left | Left | 6' 2" | 231 lbs | - |
| Keating, Don | LF | West Palm Reds | 20 | 02/12/1998 | North Battleford | CAN | Right | Right | 6' 0" | 185 lbs | - |
| Kennedy, Jerry | CF | Gainesville Guidos | 24 | 12/18/1994 | Montreal | CAN | Switch | Right | 6' 1" | 165 lbs | - |
| Keys, Cal | RF | Memphis Blues | 22 | 08/06/1996 | Los Angeles | USA | Right | Left | 6' 2" | 205 lbs | - |
| Kim, Kyung-hyun | RF | Key West Barracudas | 30 | 08/10/1988 | Seoul | KOR | Left | Left | 6' 0" | 177 lbs | - |
| King, Jesse | 3B | Gainesville Guidos | 24 | 09/03/1994 | Wenatchee | USA | Left | Right | 6' 1" | 180 lbs | - |
| King, Rob | SP | New Hampshire Fisher Cats | 30 | 02/14/1988 | Manhattan | USA | Right | Right | 6' 4" | 244 lbs | - |
| Knight, Edward | MR | Wichita Wranglers | 33 | 12/01/1985 | Cincinnati | USA | Right | Right | 6' 0" | 212 lbs | - |
