| 12/31/2018 | ||||||
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| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
| Yan, Juan Jose | MR | Free Agent | 23 | 02/22/1995 | New York | USA | Right | Right | 6' 1" | 235 lbs | - |
| Yánez, António | 3B | Iowa State Cyclones | 20 | 10/20/1998 | Quincy | USA | Right | Right | 6' 2" | 190 lbs | - |
| Yánez, Salvador | MR | Georgetown Hoyas | 20 | 09/09/1998 | Carúpano | VEN | Right | Right | 6' 6" | 215 lbs | - |
| Yarbrough, Clyde | RF | Purdue Boilermakers | 21 | 10/12/1997 | Holdenville | USA | Left | Left | 6' 2" | 190 lbs | - |
| Yardley, Peyton | RF | Mississippi Rebels | 19 | 03/31/1999 | Nutley | USA | Right | Right | 6' 2" | 195 lbs | - |
| Yates, Randall | MR | Free Agent | 22 | 05/22/1996 | San Angelo | USA | Left | Right | 6' 3" | 205 lbs | - |
| Yates, Ray | SS | Connecticut Huskies | 20 | 10/22/1998 | Rochester | USA | Right | Right | 5' 9" | 165 lbs | - |
| Ybarra, Fernando | MR | Penn State Nittany Lions | 19 | 07/24/1999 | Contla | MEX | Left | Left | 6' 3" | 210 lbs | - |
| Yi, Ji-hwan | 2B | Connecticut Huskies | 22 | 11/02/1996 | Taegu | KOR | Right | Right | 6' 2" | 185 lbs | - |
| Yokoyama, Yataro | RF | Oregon Ducks | 19 | 06/11/1999 | Shizuoka | JPN | Left | Left | 6' 2" | 225 lbs | - |
| Yoshida, Maresuke | SS | Pittsburgh Panthers | 21 | 12/11/1997 | Kyoto | JPN | Right | Right | 6' 1" | 205 lbs | - |
| Young, Bill | SS | Oklahoma State Cowboys | 22 | 08/10/1996 | Elmira Heights | USA | Left | Right | 5' 7" | 195 lbs | - |
| Young, Carson | MR | Arkansas Razorbacks | 20 | 07/21/1998 | Allentown | USA | Right | Right | 6' 5" | 205 lbs | - |
| Young, Edward | 1B | Boston College Eagles | 20 | 09/20/1998 | Buffalo | USA | Right | Right | 5' 10" | 190 lbs | - |
| Young, Jim | SP | Washington Huskies | 20 | 10/28/1998 | Levant | USA | Switch | Right | 6' 0" | 215 lbs | - |
| Young, Michael | SP | Free Agent | 24 | 07/09/1994 | Traverse City | USA | Left | Left | 6' 1" | 244 lbs | - |
| Young, Ron | SP | Miami Hurricanes | 18 | 05/07/2000 | Pahrump | USA | Right | Right | 6' 0" | 205 lbs | - |
| Young, Virgil | MR | Ohio State Buckeyes | 19 | 03/07/1999 | Selma | USA | Right | Right | 6' 0" | 200 lbs | - |
| Younger, Sean | 2B | Minnesota Golden Gophers | 20 | 12/27/1998 | Bloomingdale | USA | Right | Right | 6' 1" | 160 lbs | - |
| Yu, Sae-wan | MR | Connecticut Huskies | 19 | 01/21/1999 | Suwon | KOR | Left | Left | 6' 3" | 210 lbs | - |
| Yzazaga, José | SP | Ohio State Buckeyes | 19 | 01/12/1999 | Soledad | MEX | Left | Right | 6' 1" | 225 lbs | - |
