Jasmine Hassell added 15 points and Anne Marie Armstrong and Khaalidah Miller had 14 apiece for the Lady Bulldogs (21-7, 10-5), who came into the game tied for third in the league with Arkansas, Louisiana State University and South Carolina.
The Rebels (12-16, 2-13), who lost their 10th in a row, trailed 36-34 at the half and tied it 39-39 with 18:53 left before Georgia took control with a 15-0 run.
Mitchell scored 14 of her points and Armstrong 12 in the second half, when the Lady Bulldogs outshot the Rebels 54.8 percent (17 of 31) to 21.7 percent (5 of 23) and outrebounded them 29-8.
NO. 8 OHIO STATE 81, MINNESOTA 56
In Columbus, Ohio, Samantha Prahalis scored a school-record 42 points in her final home game and Ohio State (24-4, 11-4 Big Ten) routed Minnesota (14-15, 6-9).
NO. 9 DELAWARE 71, GEORGE MASON 53
In Newark, Del., Elena Delle Donne had 28 points and 11 rebounds, and Delaware (25-1, 16-0 Colonial Athletic Association) coasted past George Mason Taleia Morton scored 17 for George Mason (13-14, 7-9) to stretch its winning streak to 15.
ARKANSAS 72, NO. 10 TENNESSEE 71 (OT)
In Knoxville, Tenn., Lyndsay Harris scored 20 points and hit a pair of free throws with 6 seconds left to help Arkansas beat Tennessee in overtime.
The Lady Razorbacks (21-6, 10-5 SEC) became the second conference team this season to win in Knoxville, a place where the Lady Volunteers (20-8, 11-4) previously had not lost a conference game for nearly four years. South Carolina got its first win in Knoxville on Feb. 2.
Shekinna Stricklen led Tennessee with 17 points, all after halftime.
NO. 12 GREEN BAY 72, VALPARAISO 36
In Green Bay, Wis., Lydia Bauer scored 17 points and Julie Wojta scored 16 to Green Bay (24-1, 14-1) past Valparaiso (8-18, 4-11), enabling the Phoenix to clinch a share of their 14th consecutive Horizon League championship.
NO. 13 KENTUCKY 53, SOUTH CAROLINA 50
In Lexington, Ky., A’dia Mathies scored 21 points and Kentucky (23-5, 12-3 SEC) defeated South Carolina (20-8, 9-6) .
The win gives the Wildcats a 17-0 home record this season, the third time in program history they have gone undefeated at home.
La’Keisha Sutton scored 14 points for the Gamecocks.
NO. 17 GEORGIA TECH 76, VIRGINIA TECH 66
In Blacksburg, Va., Sasha Goodlett scored 18 points and Metra Walthour added 14 as Georgia Tech (21-7, 11-4 ACC) posted a hard-fought win over Virginia Tech (7-21, 3-12).
The win clinches a first-round bye for the Yellow Jackets in next week’s ACC Tournament in Greensboro, N.C.
NO. 22 PURDUE 60, MICHIGAN 49
In Ann Arbor, Mich., Brittany Rayburn scored 15 points to help Purdue (20-8, 10-5 Big Ten) break a three-game losing streak with a victory over Michigan (19-9, 8-7).
MICHIGAN STATE 73, NO. 23 NEBRASKA 53
In East Lansing, Mich., Klarissa Bell scored 19 points to lead Michigan State (18-10, 10-5 Big Ten) over Nebraska (20-7, 9-6).
FLORIDA STATE 74, CLEMSON 52
In Clemson, S.C., Chasity Clayton had 13 points and 13 rebounds as Florida State (14-15, 6-9 in the ACC) beat Clemson (6-20, 2-13).
Nikki Dixon and Shaniqua Pauldo led Clemson with 11 points apiece.