Griner, who had 21 points and 10 rebounds, put the Lady Bears (25-0, 12-0 Big 12) ahead to stay with her basket and free throw only 30 seconds in.
Texas A&M (17-6, 8-4) had lost eight in a row against Baylor, including three last season before that NCAA regional final victory last March.
NO. 3 CONNECTICUT 80, NO. 14 GEORGETOWN 38
In Storrs, Conn., Kaleena Mosqueda-Lewis scored 23 points and Connecticut got its 99th consecutive home victory.
Bria Hartley added 18 points for UConn (23-2, 11-1 Big East), which held the Hoyas to 25 percent shooting and 24 points below their season average.
Sugar Rodgers and Rubylee Wright each had 10 for Georgetown (19-6, 8-4).
NO. 9 GREEN BAY 64, WRIGHT STATE 59
In Green Bay, Wis., Julie Wojta had career highs of 30 points and 20 rebounds as Wisconsin Green Bay (21-1, 11-1 Horizon League) bounced back from its first loss of the season and beat Wright State (16-9, 9-4).
NO. 19 GONZAGA 79, SAN FRANCISCO 59
In San Francisco, Katelan Redmon scored 18 points as Gonzaga (22-4, 11-2 ) beat San Francisco (4-22, 2-11) to bounce back from its worst West Coast Conference loss in a decade.
Two days after losing to Brigham Young University by 30, Gonzaga didn’t have any problem handling the Dons and led by as much as 29 before coach Kelly Graves emptied his bench.
NO. 20 LOUISVILLE 89, SYRACUSE 62
In Louisville, Ky., Becky Burke made eight of Louisville’s school-record 18 3s and scored a career-high 28 points as the Cardinals beat Syracuse.
Shoni Schimmel added six 3s for Louisville (18-7, 7-5 Big East).
Kayla Alexander had 20 points and 12 rebounds for Syracuse (15-11, 4-8).
NO. 25 ST. BONAVENTURE 56, DAYTON 55
In Dayton, Ohio, Megan Van Tatenhove made a jumper with 23 seconds left to give St. Bonaventure (24-2, 11-0 Atlantic 10) a win over Dayton (16-6, 8-2).