Sixth-seeded Xavier fought its way past No. 22 Butler to score a 67-61 overtime victory in the Big East quarterfinals Thursday night at Madison Square Garden, and the Musketeers might have fought their way into the NCAA Tournament.

Many bracketologists have projected the Big East to put six teams in the NCAA Tournament, but the Musketeers (20-12), who were among the last four teams into last year's field, might have been on the bubble.

Dee Davis, Myles Davis and Matt Stainbrook each had 13 points for Xavier, which outscored the Bulldogs 14-8 in overtime. Trevon Bluiett added 11.

The Musketeers, who will meet Georgetown in the late semifinal Friday night, won it with a 23-11 advantage in points off turnovers.

Alex Barlow topped Butler with 22 points, Kellen Dunham had 17 and Andrew Chrabascz added 16.

Dunham is Butler's first-team all-conference guard, but it was backcourt mate Barlow whose aggressive style and 11 first-half points kept the Bulldogs in front for most of the first 20 minutes.

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But the Bulldogs allowed the lead to slip away when Xavier's Bluiett and Davis hit back-to-back threes for a 30-28 halftime lead.

Butler's Barlow scored six points during a 14-3 run that gave the Bulldogs their biggest lead at 42-33. Bluiett tied it at 53 on a three-pointer with 2:33 left. That's how regulation ended after Barlow barely missed a 60-footer at the buzzer.