Jeffrey "Jeff" Glen Baker (born June 21, 1981) is an American professional baseball player for the Miami Marlins of Major League Baseball. He bats and throws right-handed. He has played in Major League Baseball for the Colorado Rockies, Chicago Cubs, Detroit Tigers, Atlanta Braves, and Texas Rangers.Baker was the 1999 Virginia Prep Player of the Year. He then attended Clemson University, where he played college baseball, before playing professionally.