| J | | Name | Pos | Team | Age | DOB | POB | Nationality | Bats | Throws | Height | Weight | Salary | | Jackson, Austin | CF | Milwaukee Brewers | 22 | 02-01-1987 | Indianapolis | USA | Right | Right | 6' 1" | 185 lbs | - | | Jackson, Conor | 1B | Arizona Diamondbacks | 26 | 05-07-1982 | Austin | USA | Right | Right | 6' 2" | 225 lbs | $3,795,000 | | Jackson, Damian | 2B | Minnesota Twins | 35 | 08-16-1973 | Los Angeles | USA | Right | Right | 5' 10" | 158 lbs | - | | Jackson, Edwin | SP | Tampa Bay Rays | 25 | 09-09-1983 | Unknown | USA | Right | Right | 6' 3" | 190 lbs | $4,267,500 | | Jackson, Zach | SP | Milwaukee Brewers | 25 | 05-13-1983 | Greensburg | USA | Left | Left | 6' 5" | 220 lbs | - | | Jacobs, Mike | 1B | Florida Marlins | 28 | 10-30-1980 | Chula Vista | USA | Left | Right | 6' 3" | 213 lbs | - | | Jacobsen, Robert | SS | Washington Nationals | 25 | 08-30-1983 | Newport News | USA | Right | Right | 6' 1" | 205 lbs | - | | James, Chuck | SP | Atlanta Braves | 27 | 11-09-1981 | Atlanta | USA | Left | Left | 6' 0" | 170 lbs | $397,500 | | James, Javier | LF | Oakland Athletics | 25 | 03-01-1984 | Unknown | DOM | Right | Right | 6' 0" | 172 lbs | - | | Janssen, Casey | MR | Toronto Blue Jays | 27 | 09-17-1981 | Orange | USA | Right | Right | 6' 3" | 203 lbs | - | | Jaramillo, Jason | C | Philadelphia Phillies | 26 | 10-09-1982 | Unknown | USA | Switch | Right | 6' 0" | 200 lbs | - | | Jaso, John | C | Tampa Bay Rays | 25 | 09-19-1983 | Unknown | USA | Left | Right | 6' 2" | 205 lbs | $380,000 | | Jay, Jon | LF | St. Louis Cardinals | 25 | 03-15-1984 | Miami | USA | Left | Left | 6' 0" | 200 lbs | - | | Jenkins, Geoff | RF | Philadelphia Phillies | 34 | 07-21-1974 | Olympia | USA | Left | Right | 6' 0" | 204 lbs | $7,000,000 | | Jenks, Bobby | CL | Chicago (N) Cubs | 28 | 03-14-1981 | Mission Hills | USA | Right | Right | 6' 3" | 270 lbs | $4,698,900 | | Jennings, Desmond | CF | Tampa Bay Rays | 22 | 10-30-1986 | Birmingham | USA | Right | Right | 6' 2" | 180 lbs | - | | Jensen, Brett | MR | Detroit Tigers | 26 | 11-29-1982 | Humboldt | USA | Right | Right | 6' 7" | 182 lbs | $380,000 | | Jeroloman, Brian | C | Toronto Blue Jays | 23 | 05-10-1985 | Suffern | USA | Left | Right | 6' 0" | 195 lbs | - | | Jeter, Derek | SS | New York (A) Yankees | 34 | 06-26-1974 | Unknown | USA | Right | Right | 6' 3" | 179 lbs | $20,000,000 | | Jimenez, Luis Antonio | 1B | Boston Red Sox | 25 | 05-07-1983 | Unknown | VEN | Left | Left | 6' 4" | 205 lbs | - | | Jimenez, Ubaldo | SP | Los Angeles (A) Angels | 25 | 01-22-1984 | Nagua | DOM | Right | Right | 6' 3" | 200 lbs | $381,000 | | Jimerson, Charlton | CF | Seattle Mariners | 29 | 09-22-1979 | San Leandro | USA | Right | Right | 6' 3" | 210 lbs | - | | Johjima, Kenji | C | Washington Nationals | 32 | 06-08-1976 | Nagasaki | JPN | Right | Right | 6' 0" | 196 lbs | $6,500,000 | | Johnson, Dan | 1B | Oakland Athletics | 29 | 08-10-1979 | Coon Rapids | USA | Left | Right | 6' 2" | 220 lbs | $6,675,200 | | Johnson, Josh | SP | Florida Marlins | 25 | 01-31-1984 | Minneapolis | USA | Left | Right | 6' 7" | 240 lbs | $455,400 | | Johnson, Joshua | SS | Kansas City Royals | 23 | 01-11-1986 | Unknown | USA | Switch | Right | 5' 10" | 170 lbs | - | | Johnson, Kelly | 2B | Atlanta Braves | 27 | 02-22-1982 | Austin | USA | Left | Right | 6' 0" | 205 lbs | $380,000 | | Johnson, Nathan | MR | Philadelphia Phillies | 27 | 01-13-1982 | Unknown | USA | Right | Right | 6' 0" | 210 lbs | - | | Johnson, Nick | 1B | Washington Nationals | 30 | 09-19-1978 | Sacramento | USA | Left | Left | 6' 3" | 224 lbs | $5,500,000 | | Johnson, Quinn | MR | Free Agent | 19 | 02-20-1990 | Columbus | USA | Switch | Right | 6' 2" | 185 lbs | - | | Johnson, Reed | LF | Toronto Blue Jays | 32 | 12-08-1976 | Riverside | USA | Right | Right | 5' 10" | 180 lbs | $2,620,000 | | Johnson, Rob | C | Seattle Mariners | 25 | 07-22-1983 | Anaconda | USA | Right | Right | 6' 2" | 202 lbs | $380,000 | | Johnson, Tripper | 3B | Free Agent | 26 | 04-28-1982 | Unknown | USA | Right | Right | 6' 1" | 197 lbs | - | | Johnson, Tyler | MR | St. Louis Cardinals | 27 | 06-07-1981 | Columbia | USA | Switch | Left | 6' 2" | 182 lbs | - | | Jones, Adam | CF | Minnesota Twins | 23 | 08-01-1985 | San Diego | USA | Right | Right | 6' 2" | 200 lbs | $380,000 | | Jones, Andruw | CF | Los Angeles (N) Dodgers | 31 | 04-23-1977 | Unknown | USA | Right | Right | 6' 0" | 172 lbs | $15,000,000 | | Jones, Brandon | CF | Atlanta Braves | 25 | 12-10-1983 | Panama City | USA | Left | Right | 6' 2" | 210 lbs | $380,000 | | Jones, Chipper | 3B | Atlanta Braves | 36 | 04-24-1972 | Unknown | USA | Switch | Right | 6' 3" | 183 lbs | $8,000,000 | | Jones, Daryl | CF | St. Louis Cardinals | 21 | 06-25-1987 | Unknown | USA | Left | Left | 5' 11" | 180 lbs | - | | Jones, David | MR | Free Agent | 18 | 08-01-1990 | Dana Point | USA | Right | Right | 6' 7" | 205 lbs | - | | Jurrjens, Jair | SP | Atlanta Braves | 23 | 01-29-1986 | Unknown | USA | Right | Right | 6' 2" | 160 lbs | - | |