| 12/31/2018 | ||||||
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| K |
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
| Kang, Yong-hoon | MR | Cape Cod Clams | 30 | 11/16/1988 | Paengsong | KOR | Left | Right | 5' 11" | 236 lbs | - |
| Kanno, Shiki | MR | Indiana Hounds | 23 | 08/08/1995 | Kukizaki | JPN | Left | Right | 6' 1" | 207 lbs | - |
| Kataoka, Atsushi | MR | Detroit X-Wings | 24 | 05/23/1994 | Saga | JPN | Right | Right | 6' 4" | 250 lbs | - |
| Kelly, Garrott | 3B | Allentown Hillbillies | 33 | 01/12/1985 | Jeffersonville | USA | Right | Right | 6' 1" | 188 lbs | - |
| Kennedy, Jim | SP | Free Agent | 31 | 08/29/1987 | Rocklin | USA | Right | Right | 5' 9" | 196 lbs | - |
| Kim, Seung-mo | MR | Free Agent | 34 | 11/10/1984 | Taejon | KOR | Right | Right | 5' 10" | 200 lbs | - |
| King, Rick | SP | Free Agent | 32 | 12/23/1986 | Dallas | USA | Right | Right | 6' 1" | 229 lbs | - |
| King, Robert | MR | Macon Bacon | 28 | 12/30/1990 | Cudahy | USA | Left | Right | 6' 0" | 210 lbs | - |
| King, Zi-xing | SS | Trenton Stars | 22 | 02/22/1996 | Huainan | CHN | Right | Right | 5' 9" | 185 lbs | - |
| Kirkpatrick, Keith | RF | Indiana Hounds | 26 | 07/24/1992 | Randallstown | USA | Right | Right | 6' 3" | 200 lbs | - |
| Kisuki, Tadahisa | 1B | Tuscaloosa Trout Slayers | 22 | 03/07/1996 | Kitahiroshima | JPN | Switch | Left | 6' 3" | 200 lbs | - |
| Kiyomizu, Katsuyoshi | CF | Zanesville Gunslingers | 24 | 09/04/1994 | Higashihiroshima | JPN | Left | Left | 6' 0" | 195 lbs | - |
