The 2009 Big East men's basketball tournament, a part of the 2008–09 NCAA Division I men's basketball season, took place in March 2009 at Madison Square Garden in New York City.
This was the first Big East tournament to include all 16 of the conference's teams.
The top 4 teams during the regular season received double-byes to the quarterfinals.
The quarterfinal game on Thursday, March 12 between Syracuse and Connecticut lasted for six overtime periods, the second-longest game in NCAA Division I Men's Basketball history.
[3] The game tipped off at 9:36 PM ET and ended at 1:22 AM ET on Friday March 13; in the 3 hours and 46 minutes it took to play the game, a combined total of 244 points were scored (102 of which were scored in overtime), 211 field-goals attempted (103 in overtime), 93 free throws attempted, 66 fouls committed with four players on each team fouling out.