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| Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary |
| Baca, José | 3B | Seattle Pikes | 23 | 01/30/1995 | Calimete | CUB | Right | Right | 6' 1" | 195 lbs | - |
| Backstrom, Judson | 1B | Hendersonville Hitmen | 23 | 05/12/1995 | Montreal | CAN | Right | Right | 6' 2" | 210 lbs | $400,000 |
| Backx, Ingo | CF | San Francisco Bandits | 28 | 06/29/1990 | Oranjestad | ARU | Right | Right | 6' 0" | 197 lbs | $2,000,000 |
| Bailey, George | 1B | Greenville 84s | 34 | 09/17/1984 | Old Forge | USA | Right | Right | 6' 2" | 227 lbs | $650,000 |
| Baker, Josh | SP | Kansas City Cougars | 30 | 09/04/1988 | Detroit | USA | Left | Left | 6' 2" | 203 lbs | $400,000 |
| Ball, Luke | LF | Free Agent | 33 | 09/04/1985 | Carlsbad | USA | Right | Right | 6' 2" | 189 lbs | - |
| Bamber, Walter | SP | Hendersonville Hitmen | 32 | 05/29/1986 | Melbourne | AUS | Left | Left | 6' 2" | 192 lbs | $13,260,000 |
| Barker, Brian | RF | Irvine Gang Green | 26 | 03/27/1992 | New York | USA | Left | Left | 6' 0" | 200 lbs | $400,000 |
| Barrera, Juan | C | Jacksonville Jackhammers | 24 | 03/14/1994 | Havana | CUB | Right | Right | 6' 0" | 215 lbs | $400,000 |
| Barrette, Porter | SP | Maui Tropics | 32 | 02/04/1986 | Sacramento | USA | Right | Right | 6' 1" | 192 lbs | $18,130,000 |
| Barzaga, Luis | C | New Orleans Looters | 22 | 08/18/1996 | Cúa | VEN | Right | Right | 6' 1" | 200 lbs | $400,000 |
| Bates, Teddy | C | Los Angeles Bruins | 27 | 07/15/1991 | Westlake Village | USA | Right | Right | 6' 1" | 212 lbs | $650,000 |
| Bautista, Eduardo | LF | Free Agent | 31 | 10/01/1987 | Carolina | PUR | Right | Left | 5' 7" | 182 lbs | - |
| Beasley, Kevin | LF | Toronto Titans | 26 | 02/11/1992 | Greentree | USA | Left | Right | 6' 0" | 195 lbs | $400,000 |
| Beaudoin, Olivier | SP | Chicago Machine | 29 | 01/13/1989 | Toronto | CAN | Left | Left | 6' 5" | 223 lbs | $9,500,000 |
| Becker, David | SS | Maui Tropics | 32 | 10/23/1986 | Santa Maria | USA | Right | Right | 6' 2" | 190 lbs | $400,000 |
| Benavides, Manny | MR | Pocatello Boccabellas | 22 | 10/30/1996 | Havana | CUB | Right | Right | 6' 1" | 220 lbs | $680,000 |
| Benítez, Marcos | SP | Orlando Calrissian | 23 | 06/23/1995 | Jarabacoa | DOM | Left | Left | 5' 10" | 235 lbs | $5,887,500 |
| Berru, Carlos | MR | Seattle Pikes | 23 | 09/06/1995 | San Juan | PUR | Right | Left | 6' 0" | 220 lbs | - |
| Bertrand, Bill | 2B | Chicago Machine | 23 | 02/21/1995 | Vancouver | CAN | Left | Right | 5' 11" | 185 lbs | $2,250,000 |
| bin Nasser, Abdul-Qadir | SP | San Francisco Bandits | 30 | 11/18/1988 | Qiryat Malakhi | ISR | Left | Left | 6' 3" | 256 lbs | $8,000,000 |
| Bojórquez, Roberto | 1B | Free Agent | 31 | 08/01/1987 | Los Angeles | USA | Right | Left | 6' 0" | 178 lbs | - |
| Bolden, Ricky | SP | Seattle Pikes | 34 | 04/06/1984 | Medulla | USA | Right | Right | 5' 10" | 205 lbs | $16,000,000 |
| Bolo, Astolfo | MR | Free Agent | 30 | 04/23/1988 | Caracas | VEN | Right | Right | 6' 5" | 209 lbs | - |
| Bond, Connor | MR | New Orleans Looters | 30 | 07/24/1988 | Oranjestad | ARU | Left | Left | 6' 0" | 231 lbs | $2,500,000 |
| Bonilla, Alberto | CL | Madison Bombers | 23 | 08/15/1995 | La Antigua | MEX | Right | Right | 6' 1" | 235 lbs | $400,000 |
| Bowman, Nick | 3B | Reno Cards | 27 | 01/09/1991 | New York | USA | Right | Right | 6' 1" | 205 lbs | $950,000 |
| Boyajian, Armen | MR | Austin River Sharks | 22 | 02/12/1996 | Geghashen | ARM | Switch | Right | 6' 0" | 205 lbs | $650,000 |
| Bradford, Marty | SP | Madison Bombers | 23 | 04/20/1995 | Laguna Hills | USA | Right | Right | 6' 6" | 250 lbs | $400,000 |
| Bradley, Cole | SS | Kansas City Cougars | 31 | 02/20/1987 | Anchorage | USA | Right | Right | 6' 1" | 219 lbs | $650,000 |
| Breary, Edward | 1B | Pocatello Boccabellas | 29 | 04/24/1989 | Chaguanas | TRI | Left | Left | 6' 5" | 230 lbs | $3,800,000 |
| Brewer, Donald | MR | Free Agent | 32 | 03/18/1986 | Memphis | USA | Switch | Right | 6' 3" | 209 lbs | - |
| Brito, José | SP | Austin River Sharks | 34 | 09/09/1984 | Río Cauto | CUB | Left | Left | 6' 0" | 214 lbs | $3,000,000 |
| Broadhead, Joe | 2B | San Francisco Bandits | 28 | 09/03/1990 | Santa Clarita | USA | Right | Right | 5' 9" | 196 lbs | $400,000 |
| Brodeur, Fabrice | SS | Jersey Shore D-Bags | 25 | 01/06/1993 | Oshawa | CAN | Right | Right | 6' 0" | 200 lbs | $400,000 |
| Broughton, Fergus | RF | Cleveland Monsters | 35 | 09/24/1983 | Kingston | JAM | Left | Left | 6' 1" | 218 lbs | $1,500,000 |
| Brown, Evan | MR | Free Agent | 33 | 11/27/1985 | El Paso | USA | Left | Right | 6' 5" | 203 lbs | - |
| Brown, Gordon | MR | Baffin Island Beavers | 36 | 09/29/1982 | Bloomington | USA | Left | Left | 6' 0" | 181 lbs | $1,100,000 |
| Brown, John | 3B | New Orleans Looters | 31 | 01/02/1987 | Buffalo | USA | Right | Right | 6' 1" | 197 lbs | $700,000 |
| Bryan, Jerry | 1B | Hendersonville Hitmen | 24 | 04/23/1994 | College Station | USA | Left | Left | 6' 0" | 220 lbs | $400,000 |
| Bryant, Mike | 2B | Jersey Shore D-Bags | 30 | 03/17/1988 | Beach Haven West | USA | Left | Right | 6' 0" | 153 lbs | $5,600,000 |
| Bryant, Roger | C | New York Knights | 32 | 01/09/1986 | Dolton | USA | Left | Right | 6' 0" | 210 lbs | - |
| Bueno, António | MR | Madison Bombers | 22 | 10/11/1996 | Contramaestre | CUB | Right | Left | 5' 9" | 215 lbs | $400,000 |
| Bueno, Domingo | 1B | St Charles Sheens | 24 | 12/08/1994 | Drexel-Alvernon | USA | Right | Right | 6' 0" | 205 lbs | - |
| Burgess, Jerry | MR | Jersey Shore D-Bags | 32 | 08/22/1986 | Okolona | USA | Left | Left | 6' 7" | 217 lbs | $9,150,000 |
| Burkholder, Gregg | LF | Free Agent | 40 | 05/16/1978 | Montreal | CAN | Left | Left | 5' 11" | 191 lbs | - |
| Burrill, Al | CF | Niagara Falls Frenzy | 30 | 07/25/1988 | Montreal | CAN | Left | Left | 6' 0" | 181 lbs | $6,000,000 |
| Burrows, Jean | MR | Pocatello Boccabellas | 24 | 12/26/1994 | Regina | CAN | Right | Right | 6' 2" | 250 lbs | $400,000 |
| Bush, Kevin | SP | Pocatello Boccabellas | 19 | 07/07/1999 | Winnipeg | CAN | Right | Right | 6' 0" | 165 lbs | $400,000 |
| Bygrove, Bill | SP | Pocatello Boccabellas | 24 | 08/01/1994 | Fruitvale | CAN | Right | Right | 6' 2" | 235 lbs | $400,000 |
