| 12/31/2015 | ||||||
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| K |
| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
| Kadare, Kajoshaj | 2B | The Georgia Grays | 29 | 08/08/1986 | Lynwood | USA | Right | Right | 6' 2" | 230 lbs | $500,000 |
| Kaneko, Hirotsugu | SS | San Diego Hops | 24 | 06/13/1991 | Otsu | JPN | Left | Right | 6' 1" | 215 lbs | $500,000 |
| Kanno, Kazuhiko | SP | San Diego Hops | 22 | 09/20/1993 | Hasaki | JPN | Right | Right | 5' 8" | 210 lbs | $500,000 |
| Kelly, Ken | SS | Dallas Texans | 33 | 07/30/1982 | Bloomington | USA | Right | Right | 6' 0" | 203 lbs | $2,140,000 |
| Kelly, Peter | 2B | Minnesota Berserkers | 20 | 11/14/1995 | Queens | USA | Switch | Right | 6' 1" | 190 lbs | $1,200,000 |
| Kenney, Stu | MR | Montreal Bandits | 27 | 06/23/1988 | Houma | USA | Left | Left | 6' 7" | 203 lbs | $500,000 |
| Kernaghan, James | C | Free Agent | 27 | 07/05/1988 | Palmdale | USA | Right | Right | 6' 6" | 220 lbs | - |
| Kessler, Ben | SS | Free Agent | 40 | 12/14/1975 | Duncan | USA | Left | Right | 5' 8" | 178 lbs | - |
| Kessler, Joe | C | San Diego Hops | 30 | 03/27/1985 | Boston | USA | Right | Right | 6' 0" | 220 lbs | - |
| King, Kent | MR | Dallas Texans | 29 | 09/27/1986 | Eureka | USA | Left | Right | 6' 7" | 213 lbs | $900,000 |
| King, Leon | MR | Maple Marauders | 21 | 10/25/1994 | Modesto | USA | Left | Left | 6' 1" | 205 lbs | $500,000 |
| King, Ted | C | Washington Capitalists | 27 | 02/15/1988 | Nashville | USA | Right | Right | 5' 10" | 210 lbs | $997,500 |
| Kiyomizu, Hideyori | 1B | Cabo San Lucas Toreros | 27 | 09/26/1988 | Kashiba | JPN | Left | Left | 6' 0" | 222 lbs | $2,490,000 |
| Klein, Peter | MR | Dallas Texans | 34 | 10/28/1981 | Carroll | USA | Switch | Right | 6' 0" | 214 lbs | $4,840,000 |
| Klein, Tom | RF | San Francisco Earthquakes | 28 | 09/27/1987 | Orlando | USA | Switch | Right | 6' 0" | 192 lbs | $10,528,750 |
| Knight, Chris | MR | San Diego Hops | 32 | 12/15/1983 | Irvington | USA | Right | Right | 6' 0" | 178 lbs | $800,000 |
| Knight, Dorian | C | San Diego Hops | 24 | 06/06/1991 | Los Angeles | USA | Right | Right | 6' 2" | 230 lbs | $6,022,500 |
| Knisley, Jay | C | Jacksonville Jacks | 26 | 12/24/1989 | Cincinnati | USA | Right | Right | 5' 11" | 205 lbs | $500,000 |
| Ko, Ka-byong | MR | Seattle Sasquatch | 27 | 05/15/1988 | Seoul | KOR | Switch | Right | 6' 3" | 205 lbs | $800,000 |
| Kobayashi, Takanibu | CF | Cabo San Lucas Toreros | 25 | 08/02/1990 | Kitakyushu | JPN | Right | Right | 6' 0" | 170 lbs | $500,000 |
| Kogawa, Mashashi | 3B | Mile High Mustangs | 25 | 01/28/1990 | Osaka | JPN | Switch | Right | 6' 2" | 195 lbs | - |
| Koller, Josh | 2B | Free Agent | 29 | 07/30/1986 | Gulfport | USA | Right | Right | 6' 1" | 199 lbs | - |
| Kouda, Naofumi | MR | Texas Gunners | 24 | 12/21/1991 | Kobe | JPN | Right | Right | 6' 3" | 210 lbs | $500,000 |
| Kountouroudas, Zale | SS | Montreal Bandits | 24 | 02/22/1991 | San Antonio | USA | Left | Right | 6' 1" | 170 lbs | $500,000 |
| Kuhn, Ernie | MR | Las Vegas Jokers | 33 | 07/17/1982 | Laurel | USA | Right | Right | 6' 3" | 234 lbs | $900,000 |
