Antoine Devon Walker (born August 12, 1976) 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. Pre-NBA career Walker attended Mount Carmel High School, in Chicago, where he played with future NFL quarterback Donovan McNabb and attained all-state status as a senior, earning a full scholarship to play for Rick Pitino at the University of Kentucky. He was a starting forward on the Wildcats' 1996 NCAA Men's Division I Basketball Championship Game-winning team. As a freshman at Kentucky he was named SEC Tournament MVP. In his sophomore year, Walker was named All-SEC First, All-SEC Tournament and to the All-NCAA Regional Teams. Professional career Boston Celtics (1996–2003) After Walker's sophomore season, he declared for the 1996 NBA draft and was picked sixth overall by the Boston Celtics. In the 1996–1997 season, Walker made the All-Rookie First Team and led the team in scoring (17.5 ppg) and rebounding (9.0), as the team had its worst season in franchise history, 15–67. The following season, Pitino was reunited with Walker as the new coach of the Celtics and he made the All-Star team as a reserve while averaging 22.4 ppg and 10.2 rpg. He also scored a career-high 49 points in a loss against the Washington Wizards. Walker's success led to his appearance on the cover of NBA Live 99. In the '98 draft, the Celtics had the 10th pick and chose swing man Paul Pierce. The next few years, Pierce and Walker were a talented duo for the Celtics. In the 2001–2002 season, Walker had his best overall season by helping lead the Celtics to a 49–33 record and their first playoff berth in seven years. He was second on his team in scoring (22.0), first in rebounds (9), and first in assists, (5.0). Pierce and Walker took the team to the Eastern Conference finals, where they fell to the New Jersey Nets in six games. The next season, Walker made his third All-Star