The Wildcats defeated No. 5 Louisville 73-64 on Tuesday and became the first unranked team to beat two Top 5 teams in the same season since Florida State in 2011-12, according to STATS LLC.
Arcidiacono let go a leaner from just beyond the 3-point line to tie the game at 61, force overtime and send the crowd into a frenzy.
With the Orange (18-2, 6-1 Big East) down two points in overtime, Brandon Triche made one free throw with 46.5 seconds left.
Bell followed with a layup to for a 71-68 lead and the Wildcats (13-7, 4-3) held on from the free throw line.
Darrun Hilliard scored 25 points and Yarou had 14 points and 16 rebounds for the Wildcats.
Triche led the Orange with 23 points and Carter-Williams scored 17 as the Orange had an eight-game winning streak snapped.
GEORGETOWN 53, No. 5 LOUISVILLE 51
WASHINGTON (AP) — Otto Porter had 17 points and grabbed the game's decisive rebound with 1.4 seconds to play as Georgetown handed Louisville its third straight loss.
Trailing by one, Louisville had several chances to take the lead in the final 2 minutes. After getting the ball back on a disputed held ball ruling, the Cardinals kept the ball for a final shot. Peyton Siva, who didn't score in the game, missed the jumper, Porter grabbed the rebound and was fouled.
Porter finished with 12 rebounds for the Hoyas (14-4, 4-3 Big East).
Russ Smith, taken out of the starting lineup, finished with 12 points, while Luke Hancock and Gorgui Dieng also had 12 for the Cardinals (16-4, 4-3), who have their longest losing streak since January 2010. No. 1 in the country a week ago, Louisville then fell to Syracuse and Villanova.
No. 14 OHIO STATE 65, PENN STATE 51
STATE COLLEGE, Pa. (AP) — Sam Thompson scored 16 points on 6-of-7 shooting for Ohio State.
DeShaun Thomas added 11 points, well below his Big Ten-leading average of 20.5. Thompson picked up the slack against the Nittany Lions, who went 11-plus minutes of the first half without a field goal.
Ohio State (15-4, 5-2 Big Ten) gradually asserted control in the second half, though scrappy Penn State (8-12, 0-8) tried to hang around with defence and got within 10 points with 2:41 remaining.
Jermaine Marshall had 16 points for the Nittany Lions, who have lost 18 straight to the Buckeyes.
No. 24 NOTRE DAME 73, SOUTH FLORIDA 65
TAMPA, Fla. (AP) — Jerian Grant scored 18 points and Tom Knight had 17 for Notre Dame.
Eric Atkins added 13 points and Pat Connaughton contributed 12 for Notre Dame (16-4, 4-3 Big East), which had lost three of four. Notre Dame forward Jack Cooley, who entered averaging 14.8 points, finished with six points and 14 rebounds.
Zach LeDay had 17 points and Anthony Collins added 12 for South Florida (10-9, 1-6), which led 35-28 at halftime.