Derrick Williams' 16 power Arizona past Oklahoma

TUCSON, Ariz. -- Derrick Williams scored 16 points to lead Arizona to an 83-60 win over Oklahoma on Sunday.

Solomon Hill added 10 points as the Wildcats improved to 7-1, their best start since the 2006-07 season when they began 12-1.

Andrew Fitzgerald scored a career-high 22 points to lead the Sooners (3-5), who have lost five straight. Nick Thompson finished with 15 points.

Arizona led 40-28 at halftime and extended its lead in the second half with a a 17-9 run. The Wildcats pushed their lead as high as 23 and shot 55.8 percent.

Brendon Lavender and Jordin Mayes each had nine points for Arizona.