Which Big East champion began his NBA career with the Celtics in 2007?
2007 Big East Men's Basketball Tournament: The 2007 Big East Men's Basketball Championship was played from March 7 to March 10, 2007. 2007 Big East Men's Basketball Tournament:  The tournament took place at Madison Square Garden in New York City and was sponsored by Aéropostale. 2007 Big East Men's Basketball Tournament:  The Georgetown Hoyas won the tournament for the first time since 1989 and the seventh time overall, and were awarded an automatic bid to the 2007 NCAA Men's Basketball Tournament. 2007 Big East Men's Basketball Tournament:  Jeff Green of Georgetown was given the Dave Gavitt Trophy, awarded to the tournament's most outstanding player. Jeff Green (basketball):  He played three seasons of college basketball for Georgetown, before entering the 2007 NBA draft, where he was selected fifth overall by the Boston Celtics.
Jeff Green