FAYETTEVILLE, Ark. -- Sophomore guard B.J. Young scored 13 points, lifting Arkansas to a 80-69 upset of No. 2 Florida on Tuesday at Bud Walton Arena
Marshawn Powell and Michael Qualls added 11 points apiece for Arkansas (14-8, 5-4 Southeastern Conference). The Razorbacks improved to 14-1 at home this season.
Florida (18-3, 8-1 SEC) had its 10-game winning streak snapped. Mike Rosario led the Gators with 15 points.
The Gators couldn't overcome a 17-point halftime deficit. Arkansas led by as many as 26 points in the second half.
Scottie Wilbekin had 14 points and seven rebounds for Florida, which got 11 points and nine rebounds from freshman Michael Frazier and 10 points from Kenny Boynton.
From the opening tip, the Razorbacks showed no fear against the second-ranked Gators. Powell and Mardracus Wade hit back-to-back 3-pointers to put Arkansas up 6-0.
The long-range baskets kept coming for the Razorbacks. Arkansas made five of its first six 3-point attempts to build an early 26-10 lead. After a 3-pointer from Florida guard Mike Rosario cut Arkansas' lead to 26-13, the Razorbacks answered with a 10-0 run, extending their lead to 36-13 on a tip-in from freshman Jacorey Williams.
Arkansas made seven of its first nine 3-point attempts and 10 of its first 13 shots from the field.
Florida put together a 10-3 run, cutting Arkansas' lead 39-23 on a 3-pointer from Wilbekin. Frazier added a 3-pointer to cut the Arkansas lead to 41-26, but Young hit two free throws with 1:17 left, putting the visitors up 43-26 at halftime.
The Razorbacks wound up with a 38-36 rebounding advantage, with Powell and Williams each grabbing a team-high six boards.
Florida's defense was hampered inside by the limited playing time of junior center Patric Young, who picked up two first-half fouls. Florida junior forward Will Yeguete also sat out most of the first half due to lingering knee tendinitis. The Gators shot just 29.2 percent from the field in the first half (7-for-24), while Arkansas shot 53.3 percent (16-for-30).
For the game, Arkansas hit 47.5 percent of its shots from the floor (28 of 59), while Florida made 41.8 percent (23 of 55).
The Razorbacks forced 16 turnovers while giving the ball away just seven times.