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Philadelphia Inquirer, Ron Cortes, Associated Press
Villanova's Dominic Cheek, center, scores splitting the Connecticut defenders Shabazz Napier and Ryan Boatright, right, during an NCAA college basketball game, Monday, Feb. 20, 2011, in Philadelphia.

PHILADELPHIA — Shabazz Napier swished a 29-footer with 0.6 seconds left in overtime, and Jeremy Lamb scored a career-high 32 points to help Connecticut stun Villanova 73-70 Monday night.

Ty Johnson appeared to send the game to double OT on his tying layup for Villanova off a missed UConn free throw. But Napier, who questioned the heart of his teammates after a loss Saturday at Marquette, hit the pull-up 3 and got all net in the final ticks to keep the defending champion Huskies' NCAA tournament hopes alive.

The Huskies (17-10, 7-8 Big East) rallied from an 18-point deficit to win without coach Jim Calhoun on the bench. Calhoun should return from a back injury and be on the sidelines for Saturday's game against No. 2 Syracuse.

Lamb was 11 of 21 from the floor to rally UConn against the Wildcats (11-16, 4-11), who were led by Dominic Cheek with 23 points.