| Home | Teams and Players | Homerun Kings | Top Salaries | Top RBIs | Hall of Fame |
| First Name | Last Name | Given Name | Birth Year | Birth Month | Birth Day | Birth City | Birth Country | Height | Weight | Age | Bats | Throws |
| J. C. | Romero | Juan Carlos | 1976 | 6 | 4 | Rio Piedras | P.R. | 71 | 205 | -1977 | B | L |
| Year | Team | AB | HR | RBI | BA |
|---|---|---|---|---|---|
| 1999 | Minnesota Twins | 0 | 0 | 0 | 0.0000 |
| 2000 | Minnesota Twins | 0 | 0 | 0 | 0.0000 |
| 2001 | Minnesota Twins | 2 | 0 | 0 | 0.5000 |
| 2002 | Minnesota Twins | 0 | 0 | 0 | 0.0000 |
| 2003 | Minnesota Twins | 1 | 0 | 0 | 0.0000 |
| 2004 | Minnesota Twins | 0 | 0 | 0 | 0.0000 |
| 2005 | Minnesota Twins | 0 | 0 | 0 | 0.0000 |
| 2006 | Los Angeles Angels of Anaheim | 0 | 0 | 0 | 0.0000 |
| 2007 | Boston Red Sox | 0 | 0 | 0 | 0.0000 |
| 2007 | Philadelphia Phillies | 1 | 0 | 0 | 0.0000 |
| 2008 | Philadelphia Phillies | 0 | 0 | 0 | 0.0000 |
| 2009 | Philadelphia Phillies | 0 | 0 | 0 | 0.0000 |
| 2010 | Philadelphia Phillies | 0 | 0 | 0 | 0.0000 |
| 2011 | Colorado Rockies | 0 | 0 | 0 | 0.0000 |
| 2011 | Philadelphia Phillies | 0 | 0 | 0 | 0.0000 |
| 2012 | Baltimore Orioles | 0 | 0 | 0 | 0.0000 |
| 2012 | St. Louis Cardinals | 0 | 0 | 0 | 0.0000 |
| Year | Team | W | L | G | SHO |
|---|---|---|---|---|---|
| 1999 | Minnesota Twins | 0 | 0 | 5 | 0 |
| 2000 | Minnesota Twins | 2 | 7 | 12 | 0 |
| 2001 | Minnesota Twins | 1 | 4 | 14 | 0 |
| 2002 | Minnesota Twins | 9 | 2 | 81 | 0 |
| 2003 | Minnesota Twins | 2 | 0 | 73 | 0 |
| 2004 | Minnesota Twins | 7 | 4 | 74 | 0 |
| 2005 | Minnesota Twins | 4 | 3 | 68 | 0 |
| 2006 | Los Angeles Angels of Anaheim | 1 | 2 | 65 | 0 |
| 2007 | Boston Red Sox | 1 | 0 | 23 | 0 |
| 2007 | Boston Red Sox | 1 | 2 | 51 | 0 |
| 2007 | Philadelphia Phillies | 1 | 0 | 23 | 0 |
| 2007 | Philadelphia Phillies | 1 | 2 | 51 | 0 |
| 2008 | Philadelphia Phillies | 4 | 4 | 81 | 0 |
| 2009 | Philadelphia Phillies | 0 | 0 | 21 | 0 |
| 2010 | Philadelphia Phillies | 1 | 0 | 60 | 0 |
| 2011 | Colorado Rockies | 0 | 0 | 24 | 0 |
| 2011 | Colorado Rockies | 1 | 0 | 12 | 0 |
| 2011 | Philadelphia Phillies | 0 | 0 | 24 | 0 |
| 2011 | Philadelphia Phillies | 1 | 0 | 12 | 0 |
| 2012 | Baltimore Orioles | 0 | 0 | 11 | 0 |
| 2012 | Baltimore Orioles | 0 | 0 | 5 | 0 |
| 2012 | St. Louis Cardinals | 0 | 0 | 11 | 0 |
| 2012 | St. Louis Cardinals | 0 | 0 | 5 | 0 |
| Year | Team | POS | E | DP | A |
|---|---|---|---|---|---|
| 1999 | Minnesota Twins | P | 1 | 1 | 1 |
| 2000 | Minnesota Twins | P | 0 | 0 | 10 |
| 2001 | Minnesota Twins | P | 2 | 0 | 11 |
| 2002 | Minnesota Twins | P | 0 | 2 | 9 |
| 2003 | Minnesota Twins | P | 2 | 1 | 12 |
| 2004 | Minnesota Twins | P | 0 | 2 | 8 |
| 2005 | Minnesota Twins | P | 3 | 0 | 10 |
| 2006 | Los Angeles Angels of Anaheim | P | 0 | 1 | 3 |
| 2007 | Boston Red Sox | P | 1 | 0 | 3 |
| 2007 | Philadelphia Phillies | P | 0 | 0 | 7 |
| 2008 | Philadelphia Phillies | P | 0 | 0 | 13 |
| 2009 | Philadelphia Phillies | P | 0 | 0 | 3 |
| 2010 | Philadelphia Phillies | P | 0 | 1 | 6 |
| 2011 | Colorado Rockies | P | 0 | 0 | 2 |
| 2011 | Philadelphia Phillies | P | 0 | 0 | 4 |
| 2012 | Baltimore Orioles | P | 1 | 0 | 1 |
| 2012 | St. Louis Cardinals | P | 0 | 0 | 3 |