| 12/31/2018 | ||||||
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| K |
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
| Kamida, Yoshitsune | SS | Reading Rainbows | 23 | 03/30/1995 | Toyonaka | JPN | Right | Right | 5' 11" | 175 lbs | - |
| Kan, Sang-mok | 3B | Lima Oilers | 27 | 11/14/1991 | Kwangju | KOR | Right | Right | 6' 0" | 185 lbs | - |
| Kang, Man-chae | MR | Free Agent | 35 | 07/04/1983 | Taegu | KOR | Right | Right | 6' 3" | 192 lbs | - |
| Kawashima, Kuniaki | SS | Lima Oilers | 23 | 10/20/1995 | Shizuoka | JPN | Right | Right | 6' 0" | 190 lbs | - |
| Kelley, Art | SP | Newark Bulldogs | 25 | 02/22/1993 | Downey | USA | Right | Right | 6' 1" | 225 lbs | - |
| Kelley, Ben | LF | Springfield Simpsons | 23 | 04/16/1995 | Madison | USA | Left | Right | 6' 3" | 235 lbs | - |
| Kim, Ho | SS | Free Agent | 30 | 04/05/1988 | Chongju | KOR | Right | Right | 5' 11" | 193 lbs | - |
| Kim, Jung-ha | CF | Butler White Sox | 22 | 11/20/1996 | Inchon | KOR | Right | Right | 6' 2" | 155 lbs | - |
| King, Chris | MR | Free Agent | 30 | 05/11/1988 | La Mirada | USA | Right | Right | 6' 1" | 241 lbs | - |
| King, Jordan | SP | Wilmington Rebels | 24 | 08/17/1994 | Queens | USA | Right | Right | 6' 3" | 220 lbs | - |
| Kouno, Kazuhiko | 3B | Wilmington Rebels | 24 | 08/06/1994 | Kamagaya | JPN | Right | Right | 6' 2" | 225 lbs | - |
