| Player | POS | Team | NUM | Height | Weight | DOB |
|---|---|---|---|---|---|---|
| Abad, Fernando | RP | BAL | 58 | 6'2" | 235 lbs | Dec 17, 1985 |
| Abreu, Albert | RP | NYY | 84 | 6'2" | 190 lbs | Sep 26, 1995 |
| Abreu, Jose | 1B | CHW | 79 | 6'3" | 245 lbs | Jan 29, 1987 |
| Acevedo, Domingo | RP | OAK | 68 | 6'7" | 240 lbs | Mar 6, 1994 |
| Acuna Jr., Ronald | LF | ATL | 13 | 6'0" | 205 lbs | Dec 18, 1997 |
| Adames, Willy | SS | MIL | 27 | 6'0" | 210 lbs | Sep 2, 1995 |
| Adams, Austin | RP | SD | 54 | 6'3" | 220 lbs | May 5, 1991 |
| Adams, Riley | C | WAS | 25 | 6'4" | 246 lbs | Jun 26, 1996 |
| Adell, Jo | CF | LAA | 7 | 6'3" | 215 lbs | Apr 8, 1999 |
| Adrianza, Ehire | 3B | ATL | 23 | 6'1" | 195 lbs | Aug 21, 1989 |
| Aguilar, Jesus | 1B | MIA | 24 | 6'3" | 277 lbs | Jun 30, 1990 |
| Ahmed, Nick | SS | ARI | 13 | 6'2" | 200 lbs | Mar 15, 1990 |
| Akin, Keegan | SP | BAL | 45 | 5'11" | 235 lbs | Apr 1, 1995 |
| Akiyama, Shogo | LF | CIN | 4 | 6'0" | 190 lbs | Apr 16, 1988 |
| Albers, Andrew | RP | MIN | 77 | 6'1" | 200 lbs | Oct 6, 1985 |
| Alberto, Hanser | SS | KC | 49 | 5'11" | 215 lbs | Oct 17, 1992 |
| Albies, Ozzie | 2B | ATL | 1 | 5'8" | 165 lbs | Jan 7, 1997 |
| Alcala, Jorge | RP | MIN | 66 | 6'3" | 205 lbs | Jul 28, 1995 |
| Alcantara, Sandy | SP | MIA | 22 | 6'5" | 200 lbs | Sep 7, 1995 |
| Alcantara, Sergio | SS | CHC | 51 | 5'9" | 151 lbs | Jul 10, 1996 |
| Alexander, Scott | RP | LAD | 75 | 6'2" | 195 lbs | Jul 10, 1989 |
| Alexander, Tyler | RP | DET | 70 | 6'2" | 200 lbs | Jul 14, 1994 |
| Alexy, A.J. | RP | TEX | 62 | 6'4" | 195 lbs | Apr 21, 1998 |
| Alfaro, Jorge | C | MIA | 38 | 6'3" | 230 lbs | Jun 11, 1993 |
| Alford, Anthony | CF | PIT | 6 | 6'1" | 215 lbs | Jul 20, 1994 |
| Allard, Kolby | SP | TEX | 39 | 6'1" | 195 lbs | Aug 13, 1997 |
| Allen, Austin | C | OAK | 30 | 6'2" | 219 lbs | Jan 16, 1994 |
| Allen, Logan | SP | CLE | 54 | 6'3" | 200 lbs | May 23, 1997 |
| Almonte, Yency | RP | COL | 62 | 6'5" | 223 lbs | Jun 4, 1994 |
| Alonso, Pete | 1B | NYM | 20 | 6'3" | 245 lbs | Dec 7, 1994 |
| Altavilla, Dan | RP | SD | 57 | 5'11" | 226 lbs | Sep 8, 1992 |
| Altuve, Jose | 2B | HOU | 27 | 5'6" | 166 lbs | May 6, 1990 |
| Alvarado, Jose | RP | PHI | 46 | 6'2" | 245 lbs | May 21, 1995 |
| Alvarez, Eddy | 2B | MIA | 65 | 5'9" | 185 lbs | Jan 30, 1990 |
| Alvarez, Jose | RP | SF | 50 | 5'11" | 180 lbs | May 6, 1989 |
| Alvarez, Yordan | LF | HOU | 44 | 6'5" | 225 lbs | Jun 27, 1997 |
| Alzolay, Adbert | SP | CHC | 73 | 6'1" | 208 lbs | Mar 1, 1995 |
| Anderson, Brett | SP | MIL | 25 | 6'4" | 230 lbs | Feb 1, 1988 |
| Anderson, Brian | 3B | MIA | 15 | 6'3" | 208 lbs | May 19, 1993 |
| Anderson, Drew | RP | TEX | 58 | 6'3" | 205 lbs | Mar 22, 1994 |
| Anderson, Ian | SP | ATL | 36 | 6'3" | 170 lbs | May 2, 1998 |
| Anderson, Nick | RP | TB | 70 | 6'4" | 205 lbs | Jul 5, 1990 |
| Anderson, Shaun | RP | SD | 64 | 6'4" | 228 lbs | Oct 29, 1994 |
| Anderson, Tim | SS | CHW | 7 | 6'1" | 190 lbs | Jun 23, 1993 |
| Anderson, Tyler | SP | SEA | 31 | 6'2" | 220 lbs | Dec 30, 1989 |
| Andriese, Matt | RP | SEA | 27 | 6'2" | 215 lbs | Aug 28, 1989 |
| Andrus, Elvis | SS | OAK | 17 | 6'0" | 210 lbs | Aug 26, 1988 |
| Andujar, Miguel | 3B | NYY | 41 | 6'0" | 211 lbs | Mar 2, 1995 |
| Antone, Tejay | RP | CIN | 70 | 6'4" | 230 lbs | Dec 5, 1993 |
| Aquino, Aristides | RF | CIN | 44 | 6'4" | 220 lbs | Apr 22, 1994 |
| Arauz, Jonathan | SS | BOS | 3 | 6'0" | 195 lbs | Aug 3, 1998 |
| Archer, Chris | SP | TB | 22 | 6'2" | 195 lbs | Sep 26, 1988 |
| Arcia, Orlando | SS | ATL | 9 | 6'0" | 187 lbs | Aug 4, 1994 |
| Arenado, Nolan | 3B | STL | 28 | 6'2" | 215 lbs | Apr 16, 1991 |
| Arihara, Kohei | SP | TEX | 35 | 6'2" | 210 lbs | Aug 11, 1992 |
| Arozarena, Randy | LF | TB | 56 | 5'11" | 185 lbs | Feb 28, 1995 |
| Arraez, Luis | 2B | MIN | 2 | 5'10" | 175 lbs | Apr 9, 1997 |
| Arrieta, Jake | SP | SD | 49 | 6'4" | 230 lbs | Mar 6, 1986 |
| Arroyo, Christian | 3B | BOS | 39 | 6'1" | 210 lbs | May 30, 1995 |
| Ashby, Aaron | SP | MIL | 26 | 6'2" | 181 lbs | May 24, 1998 |
| Astudillo, Willians | C | MIN | 64 | 5'9" | 225 lbs | Oct 14, 1991 |
| Avila, Alex | C | WAS | 6 | 5'11" | 228 lbs | Jan 29, 1987 |
| Avilan, Luis | RP | WAS | 70 | 6'2" | 220 lbs | Jul 19, 1989 |
| Axford, John | RP | MIL | 59 | 6'5" | 234 lbs | Apr 1, 1983 |
