| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
| Jackson, Anthony | 2B | Free Agent | 23 | 02/28/1992 | New York | USA | Right | Right | 5' 9" | 170 lbs | - |
| Jackson, Christian | MR | Free Agent | 22 | 02/26/1993 | Brookfield | USA | Left | Left | 6' 4" | 240 lbs | - |
| Jackson, Darryl | 2B | Free Agent | 22 | 01/08/1993 | Philadelphia | USA | Right | Right | 5' 9" | 185 lbs | - |
| Jackson, Don | SP | Alabama Crimson Tide | 21 | 01/19/1994 | Brown Deer | USA | Right | Right | 6' 0" | 195 lbs | - |
| Jackson, Dustin | RF | Free Agent | 22 | 02/23/1993 | San Antonio | USA | Left | Right | 6' 2" | 205 lbs | - |
| Jackson, James | 3B | Tulane Green Wave | 21 | 06/21/1994 | Copperas Cove | USA | Right | Right | 6' 2" | 210 lbs | - |
| Jackson, Jon | C | Free Agent | 22 | 02/18/1993 | Napa | USA | Switch | Right | 6' 0" | 180 lbs | - |
| Jackson, Kevin | CL | Virginia Cavaliers | 22 | 12/08/1993 | Greenfield | USA | Switch | Right | 6' 5" | 240 lbs | - |
| Jackson, Martin | RF | Georgia Bulldogs | 21 | 01/25/1994 | Lakeland Highlands | USA | Right | Right | 6' 1" | 190 lbs | - |
| Jackson, Norm | C | Free Agent | 24 | 10/05/1991 | Schaumburg | USA | Right | Right | 6' 0" | 195 lbs | - |
| Jackson, Reid | SP | Alabama Crimson Tide | 20 | 09/29/1995 | Sharonville | USA | Right | Right | 6' 4" | 210 lbs | - |
| Jackson, Ronald | SP | Michigan Wolverines | 19 | 01/16/1996 | Montrose-Ghent | USA | Left | Right | 6' 4" | 190 lbs | - |
| Jackson, Sammy | MR | Miami Hurricanes | 19 | 11/28/1996 | New York | USA | Right | Right | 5' 9" | 200 lbs | - |
| Jackson, Sean | MR | Free Agent | 23 | 03/06/1992 | San Francisco | USA | Right | Right | 6' 2" | 220 lbs | - |
| Jackson, Tyler | 2B | Georgia Tech Yellow Jackets | 18 | 01/10/1997 | North Andover | USA | Right | Right | 5' 11" | 180 lbs | - |
| Jackson, Warren | CF | North Carolina Tar Heels | 20 | 09/04/1995 | Gang Mills | USA | Left | Left | 6' 6" | 170 lbs | - |
| Jacobs, Jason | SP | Long Beach State 49'ers | 21 | 06/10/1994 | Redondo Beach | USA | Right | Right | 6' 1" | 193 lbs | - |
| Jacobs, Johnny | SP | Tennessee Volunteers | 20 | 05/02/1995 | Lowell | USA | Right | Right | 6' 3" | 230 lbs | - |
| Jacobs, Todd | 1B | South Mississippi Golden Eagles | 19 | 07/18/1996 | Manhattan | USA | Left | Left | 6' 9" | 225 lbs | - |
| Jacobs, Whit | SP | UCLA Bruins | 21 | 04/21/1994 | Blackhawk | USA | Right | Right | 6' 4" | 200 lbs | - |
| James, Ben | 3B | TCU Horned Frogs | 22 | 12/20/1993 | Destrehan | USA | Right | Right | 6' 1" | 216 lbs | - |
| James, Dale | C | Michigan Wolverines | 22 | 12/30/1993 | Yukon | USA | Right | Right | 6' 1" | 195 lbs | - |
| James, Kevin | 1B | Free Agent | 23 | 02/16/1992 | Park Forest Village | USA | Right | Right | 6' 3" | 215 lbs | - |
| James, Martin | SS | Free Agent | 22 | 06/14/1993 | North Branford | USA | Right | Right | 6' 1" | 185 lbs | - |
| James, Zach | 1B | TCU Horned Frogs | 20 | 06/01/1995 | Upper St. Clair | USA | Right | Right | 6' 3" | 240 lbs | - |
| Jamison, Evan | 3B | Free Agent | 23 | 06/10/1992 | Billings | USA | Left | Right | 6' 2" | 200 lbs | - |
| Jamison, Justin | LF | UCLA Bruins | 21 | 02/05/1994 | Merced | USA | Right | Right | 6' 2" | 190 lbs | - |
| Jamison, Richie | LF | Miami Hurricanes | 21 | 12/12/1994 | Waltham | USA | Right | Right | 5' 9" | 210 lbs | - |
| Jamison, William | CF | Free Agent | 24 | 11/13/1991 | Hialeah Gardens | USA | Right | Right | 6' 0" | 195 lbs | - |
| Jamshed, Hamid | MR | Texas A&M Aggies | 21 | 08/15/1994 | Boston | USA | Right | Right | 5' 8" | 190 lbs | - |
| Jaramillo, José | 2B | Free Agent | 23 | 08/28/1992 | Santo Domingo | DOM | Right | Right | 6' 0" | 210 lbs | - |
| Jarvis, Albert | 3B | Free Agent | 23 | 01/06/1992 | North Decatur | USA | Right | Right | 5' 11" | 205 lbs | - |
| Jefferson, Ray | SP | USC Trojans | 20 | 05/05/1995 | Phoenix | USA | Right | Right | 6' 6" | 205 lbs | - |
| Jeffords, Mark | 1B | LSU Tigers | 20 | 04/10/1995 | Pawtucket | USA | Switch | Right | 6' 3" | 215 lbs | - |
| Jenkins, Clinton | MR | Louisiana-Layfayette Ragin Cajuns | 19 | 05/29/1996 | Guntersville | USA | Right | Right | 6' 0" | 215 lbs | - |
| Jenkins, Donald | LF | Free Agent | 22 | 01/13/1993 | Lovell | USA | Left | Left | 6' 0" | 170 lbs | - |
| Jenkins, Leonard | C | Free Agent | 23 | 02/16/1992 | New York | USA | Right | Right | 6' 2" | 215 lbs | - |
| Jenkins, Martin | RF | Tennessee Volunteers | 21 | 04/29/1994 | Del Rey Oaks | USA | Right | Right | 6' 0" | 195 lbs | - |
| Jenkins, Matt | SP | Free Agent | 22 | 03/10/1993 | San Francisco | USA | Switch | Right | 6' 0" | 210 lbs | - |
| Jenkins, Nick | RF | Ole Miss Rebels | 21 | 01/31/1994 | Chicago | USA | Left | Left | 6' 1" | 165 lbs | - |
| Jenkins, Ryan | SP | Free Agent | 22 | 05/12/1993 | Urbandale | USA | Right | Right | 6' 1" | 210 lbs | - |
| Jenkins, Steve | LF | South Mississippi Golden Eagles | 20 | 12/02/1995 | Hoquiam | USA | Switch | Right | 6' 3" | 150 lbs | - |
| Jenkins, Tony | C | Free Agent | 25 | 05/06/1990 | Hemby Bridge | USA | Right | Right | 6' 0" | 190 lbs | - |
| Jennings, Stan | CF | TCU Horned Frogs | 20 | 12/10/1995 | Grand Prairie | USA | Right | Right | 5' 11" | 185 lbs | - |
| Jensen, Charles | 1B | Free Agent | 24 | 05/29/1991 | New York | USA | Right | Right | 6' 5" | 225 lbs | - |
| Jensen, George | 1B | Free Agent | 22 | 06/13/1993 | Dayton | USA | Right | Right | 6' 0" | 165 lbs | - |
| Jensen, Kevin | C | Washington State Cougars | 18 | 04/27/1997 | Carson | USA | Right | Right | 5' 10" | 190 lbs | - |
| Jensen, Lou | C | Alabama Crimson Tide | 22 | 11/11/1993 | Pico Rivera | USA | Left | Right | 6' 0" | 180 lbs | - |
| Jensen, Rick | 1B | Auburn Tigers | 21 | 03/13/1994 | Orcutt | USA | Left | Left | 5' 11" | 205 lbs | - |
| Jiménez, Alonso | C | Free Agent | 22 | 08/11/1993 | North Logan | USA | Right | Right | 6' 0" | 205 lbs | - |
| Jiménez, Cristián | LF | Free Agent | 24 | 04/14/1991 | Santo Domingo | DOM | Right | Right | 6' 2" | 220 lbs | - |
| Jiménez, Cristo | 3B | Free Agent | 25 | 09/19/1990 | Guadalajara | MEX | Right | Right | 6' 3" | 215 lbs | - |
| Jiménez, Domingo | C | Free Agent | 23 | 12/10/1992 | Carson | USA | Right | Right | 5' 9" | 190 lbs | - |
| Jiménez, Vicente | MR | Free Agent | 23 | 01/06/1992 | Xico | MEX | Left | Right | 6' 8" | 210 lbs | - |
| Johns, Clyde | LF | Free Agent | 22 | 04/21/1993 | Ruidoso | USA | Left | Left | 6' 0" | 165 lbs | - |
| Johns, Mathew | MR | Auburn Tigers | 18 | 03/10/1997 | Charlotte | USA | Switch | Right | 6' 1" | 200 lbs | - |
| Johns, Mike | 1B | Free Agent | 22 | 08/13/1993 | Kinderhook | USA | Right | Right | 6' 0" | 205 lbs | - |
| Johnson, Bill | MR | Free Agent | 23 | 08/16/1992 | Estes Park | USA | Left | Right | 6' 1" | 192 lbs | - |
| Johnson, Curt | LF | Free Agent | 23 | 08/21/1992 | Mobile | USA | Left | Left | 6' 0" | 215 lbs | - |
| Johnson, Dale | 1B | Free Agent | 23 | 04/19/1992 | Jacksonville | USA | Right | Right | 6' 1" | 235 lbs | - |
| Johnson, Dave | CF | Wake Forest Demon Deacans | 21 | 08/30/1994 | Irvine | USA | Left | Right | 6' 5" | 225 lbs | - |
| Johnson, George | SS | Georgia Bulldogs | 19 | 11/01/1996 | Brooklyn | USA | Right | Right | 6' 1" | 155 lbs | - |
| Johnson, George | SS | Iowa State Cyclones | 20 | 05/06/1995 | Aliso Viejo | USA | Right | Right | 6' 0" | 195 lbs | - |
| Johnson, Gerald | 2B | Free Agent | 22 | 11/04/1993 | Centerville | USA | Right | Right | 6' 0" | 160 lbs | - |
| Johnson, Howard | MR | Oklahoma Sooners | 21 | 08/05/1994 | East Providence | USA | Right | Right | 5' 10" | 230 lbs | - |
| Johnson, Jim | 1B | Free Agent | 22 | 08/15/1993 | Baltimore | USA | Switch | Right | 6' 0" | 215 lbs | - |
| Johnson, Leonard | RF | Texas Longhorns | 21 | 12/28/1994 | Omaha | USA | Right | Right | 6' 3" | 180 lbs | - |
| Johnson, Mark | MR | Wake Forest Demon Deacans | 21 | 12/09/1994 | Gainesville | USA | Right | Right | 6' 3" | 205 lbs | - |
| Johnson, Mark | RF | Free Agent | 24 | 11/07/1991 | New York | USA | Right | Left | 6' 5" | 220 lbs | - |
| Johnson, Paul | MR | Free Agent | 22 | 01/28/1993 | Georgetown | USA | Switch | Right | 5' 8" | 190 lbs | - |
| Johnson, Ron | 3B | Ole Miss Rebels | 18 | 03/31/1997 | Montgomery | USA | Right | Right | 6' 0" | 200 lbs | - |
| Johnston, Don | SP | Long Beach State 49'ers | 20 | 01/01/1995 | Ashwaubenon | USA | Left | Left | 6' 7" | 220 lbs | - |
| Johnston, Joseph | CF | Iowa State Cyclones | 21 | 02/18/1994 | Brooklyn | USA | Right | Right | 6' 0" | 155 lbs | - |
| Johnston, Josh | 1B | Wake Forest Demon Deacans | 21 | 06/21/1994 | Ansted | USA | Switch | Right | 6' 0" | 215 lbs | - |
| Johnston, Lee | 1B | Arkansas Razorbacks | 21 | 06/25/1994 | Benton City | USA | Left | Left | 6' 1" | 220 lbs | - |
| Johnston, Mitch | SP | Long Beach State 49'ers | 21 | 12/17/1994 | Reedley | USA | Left | Left | 6' 2" | 195 lbs | - |
| Johnston, Nathan | 1B | Wake Forest Demon Deacans | 18 | 01/06/1997 | Twin Falls | USA | Right | Right | 6' 5" | 205 lbs | - |
| Johnston, Tim | RF | Ole Miss Rebels | 20 | 11/11/1995 | Philadelphia | USA | Right | Left | 6' 2" | 180 lbs | - |
| Johnstone, Marty | RF | Free Agent | 23 | 04/28/1992 | Phoenix | USA | Right | Right | 6' 1" | 225 lbs | - |
| Jones, Aaron | 1B | Free Agent | 23 | 10/19/1992 | Ada | USA | Left | Left | 6' 2" | 235 lbs | - |
| Jones, Al | SP | Florida Gators | 20 | 07/03/1995 | Northbrook | USA | Right | Right | 6' 2" | 220 lbs | - |
| Jones, Alex | SS | Free Agent | 22 | 09/24/1993 | Jacksonville | USA | Right | Right | 6' 1" | 160 lbs | - |
| Jones, Alexander | C | Texas A&M Aggies | 21 | 01/28/1994 | New Britain | USA | Right | Right | 5' 11" | 185 lbs | - |
| Jones, Bill | LF | Free Agent | 23 | 08/23/1992 | Oak Creek | USA | Right | Right | 6' 2" | 170 lbs | - |
| Jones, Bob | SP | Free Agent | 22 | 01/20/1993 | Westminster | USA | Left | Right | 6' 5" | 220 lbs | - |
| Jones, Bobby | MR | TCU Horned Frogs | 20 | 05/05/1995 | Houston | USA | Left | Left | 6' 0" | 230 lbs | - |
| Jones, Dave | CF | USC Trojans | 19 | 09/23/1996 | Abilene | USA | Left | Left | 6' 3" | 175 lbs | - |
| Jones, Howard | LF | Free Agent | 25 | 08/23/1990 | Hialeah | USA | Right | Right | 5' 8" | 167 lbs | - |
| Jones, Jeremy | 1B | Houston Cougars | 20 | 11/26/1995 | Lansing | USA | Right | Right | 6' 0" | 145 lbs | - |
| Jones, John | LF | Free Agent | 24 | 08/11/1991 | Citrus Heights | USA | Left | Right | 6' 0" | 195 lbs | - |
| Jones, John | SP | South Carolina Gamecocks | 22 | 11/13/1993 | Wethersfield | USA | Right | Left | 6' 3" | 260 lbs | - |
| Jones, Lawrence | RF | Oregon State Beavers | 20 | 07/18/1995 | Andover | USA | Left | Left | 6' 2" | 165 lbs | - |
| Jones, Lee | LF | Mississippi State Bulldogs | 18 | 05/31/1997 | Phoenix | USA | Right | Right | 5' 7" | 180 lbs | - |
| Jones, Leonard | SP | Virginia Cavaliers | 20 | 01/03/1995 | Elmhurst | USA | Left | Right | 6' 2" | 210 lbs | - |
| Jones, Leroy | RF | Free Agent | 23 | 11/22/1992 | Reading | USA | Right | Right | 6' 2" | 200 lbs | - |
| Jones, Paul | RF | Free Agent | 23 | 08/28/1992 | Easthampton | USA | Right | Right | 6' 0" | 195 lbs | - |
| Jones, Rich | MR | Free Agent | 22 | 08/31/1993 | Fair Oaks | USA | Right | Right | 6' 4" | 205 lbs | - |
| Jones, Richard | MR | Free Agent | 22 | 10/24/1993 | Williamstown | USA | Left | Left | 5' 10" | 240 lbs | - |
| Jones, Ron | SP | Ohio State Buckeyes | 19 | 07/17/1996 | Lexington | USA | Left | Left | 6' 2" | 210 lbs | - |
| Jones, Ron | SP | Arizona Wildcats | 21 | 01/09/1994 | New York | USA | Left | Left | 6' 4" | 220 lbs | - |
| Jones, Shannon | MR | USC Trojans | 20 | 05/16/1995 | Canton | USA | Right | Right | 6' 1" | 245 lbs | - |
| Jones, Steve | CF | Free Agent | 22 | 08/02/1993 | New York | USA | Right | Right | 5' 10" | 190 lbs | - |
| Jones, Tad | 1B | Tulane Green Wave | 19 | 08/02/1996 | Virginia Beach | USA | Left | Right | 6' 2" | 240 lbs | - |
| Jones, Tom | MR | Ole Miss Rebels | 21 | 11/19/1994 | Austin | USA | Right | Right | 6' 0" | 190 lbs | - |
| Jones, Victor | C | Free Agent | 22 | 08/08/1993 | Paradise | USA | Right | Right | 6' 2" | 210 lbs | - |
| Jordan, Dave | MR | Houston Cougars | 20 | 03/31/1995 | Opelika | USA | Right | Right | 5' 9" | 200 lbs | - |
| Jordan, Mike | CF | Free Agent | 22 | 04/18/1993 | Long Beach | USA | Left | Left | 6' 1" | 190 lbs | - |
| Jørgensen, Vincent | MR | Alabama Crimson Tide | 21 | 12/03/1994 | Rocklin | USA | Left | Left | 6' 2" | 210 lbs | - |
| Joseph, Don | LF | Florida Gators | 19 | 07/10/1996 | Norwalk | USA | Switch | Right | 5' 11" | 220 lbs | - |
| Joseph, Leon | CF | Georgia Bulldogs | 22 | 12/16/1993 | Parkway-South Sacramento | USA | Left | Left | 6' 2" | 195 lbs | - |
| Joyce, Abraham | MR | Washington State Cougars | 19 | 11/09/1996 | Moreno Valley | USA | Left | Left | 6' 3" | 215 lbs | - |
| Joyce, Don | 3B | Free Agent | 22 | 06/20/1993 | Economy | USA | Right | Right | 6' 0" | 185 lbs | - |
| Joyner, Kyle | 2B | Free Agent | 23 | 03/08/1992 | Prunedale | USA | Right | Right | 5' 10" | 175 lbs | - |
| Joyner, Michael | 3B | Free Agent | 22 | 10/20/1993 | Weatogue | USA | Right | Right | 6' 0" | 200 lbs | - |
| Juárez, Víctor | CF | Free Agent | 22 | 04/30/1993 | Quisqueya | DOM | Right | Left | 6' 5" | 220 lbs | - |
| Jugovic, Pavle | MR | Indiana State Sycamores | 20 | 10/07/1995 | Richmond West | USA | Right | Right | 6' 0" | 195 lbs | - |
| Júlio, Lúcio | 1B | Free Agent | 22 | 11/04/1993 | Decatur | USA | Right | Right | 6' 2" | 210 lbs | - |