| 12/31/2015 | ||||||
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| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
| Yamaguchi, Reijiro | SP | South Carolina Bombers | 27 | 07/12/1988 | Kawagoe | JPN | Right | Right | 6' 2" | 195 lbs | $1,000,000 |
| Yamamoto, Katsuhiko | LF | Las Vegas Jokers | 22 | 01/29/1993 | Ichikawa | JPN | Left | Left | 6' 1" | 190 lbs | - |
| Yamanoue, Tsukasa | SP | San Francisco Earthquakes | 27 | 12/26/1988 | Yokohama | JPN | Right | Right | 6' 1" | 195 lbs | $500,000 |
| Yánez, Alfredo | LF | So Cal Republic | 28 | 09/14/1987 | Phoenix | USA | Left | Left | 6' 0" | 217 lbs | $5,000,000 |
| Yarbrough, Stu | C | South Carolina Bombers | 23 | 08/18/1992 | San Bernardino | USA | Left | Right | 6' 5" | 207 lbs | $500,000 |
| Younger, Wayne | C | Seattle Sasquatch | 25 | 11/12/1990 | South Portland | USA | Right | Right | 6' 0" | 195 lbs | $500,000 |
