Antoine Devon Walker is an American former professional basketball player. He was drafted with the sixth overall pick in the 1996 NBA draft out of the University of Kentucky and played in the NBA from 1996 to 2008. Walker played for the Boston Celtics, Dallas Mavericks, Atlanta Hawks, Miami Heat, Minnesota Timberwolves, the BSN's Mets de Guaynabo and the NBA D-League's Idaho Stampede before retiring from basketball in 2012. Walker, a three-time NBA All-Star, won an NCAA championship with Kentucky in 1996 and an NBA championship with the Heat in 2006.