STORRS, Conn. (AP) -- Otto Porter Jr.'s layup with 9.5 seconds remaining in the second overtime gave No. 7 Georgetown a 79-78 victory over Connecticut on Wednesday night, the Hoyas' 10th straight win and first-ever at Gampel Pavilion.
Porter scored 21 of his 22 points after halftime in a wild game that saw Georgetown (22-4, 12-3 Big East) stay in first place in the conference. The Hoyas had a 12-point lead with 4:36 to go in regulation.
In the final 2:03 of the second overtime Georgetown overcame a seven-point deficit, improving to 1-3 in Connecticut's 23-year-old on-campus arena. The Huskies (19-8, 9-6) play most of their big conference games at the XL Center in Hartford.
This was a memorable visit for a team that, along with Syracuse, has to be considered the Huskies' biggest rival in the Big East, which is facing incredible changes in the coming years.
Markel Starks had 19 points for Georgetown, while D'Vauntes Smith-Rivera added 14.
DeAndre Daniels had 25 points, one off his career high, and 10 rebounds for the Huskies. Shabazz Napier added 16 and Omar Calhoun had 13. Napier had six assists and backcourt mate Ryan Boatright had eight.
Porter made two free throws with 4:36 to let Georgetown match its largest lead of the game, 60-48.
Despite the double-digit deficit, the Huskies weren't about to let a sellout crowd of 10,167 leave in the rain without a run at the Hoyas.
Calhoun hit a 3-pointer to start a 9-0 spurt that was capped by two free throws from Daniels with 2:30 left that made it 60-57.
Georgetown came up empty three times on its next possession but Smith-Rivera stole the ball at midcourt and went in for a layup that gave the Hoyas a 62-57 lead with 1:08 left.
Calhoun scored on a rebound and, after Starks missed the front end of a 1-and-1 with 8.7 seconds left, Calhoun nailed a 3-pointer from the left corner. With the crowd going wild, the Huskies' Niles Giffey sprinted across the court and stole the inbounds pass just past the 3-point line. He lined up and got a good look but the ball bounced off the rim.
If it had gone in there was no telling how the crowd would have reacted because the Huskies are ineligible for postseason play due to NCAA violations.
Giffey made one free throw with 2:03 left in the second overtime to make it 78-71. There was a sigh of relief as the fans, and the Huskies, seemed to think it was over.
Nobody told the Hoyas.
Porter and Smith-Rivera hit 3s to make it a one-point game with 50 seconds left. After a turnover, Porter scored with 9.5 seconds left. The Huskies had one last chance but Boatright's shot from in front of the UConn bench bounced off the rim,
It was Connecticut's sixth overtime game of the season -- the Huskies are 4-2. Georgetown is 1-1, with the loss coming on Nov. 20 against No. 1 Indiana.