Tom Izzo was among those who honored Lacey’s memory during a rally on the MSU campus following her death Tuesday from cancer.
Aaron Harrison hit a 3-pointer with 5.7 seconds left to lift Kentucky to a one-point victory over Wisconsin.
The national semifinals drew 79,444 AT&T Stadium, beating the previous record of 78,129 when Kentucky beat Michigan State in a regular-season game at Ford Field in Detroit on Dec. 13, 2003.
DeAndre Daniels had 20 points and 10 rebounds to help UConn snap Florida’s 30-game win streak.
Frank Kaminsky had 28 points and 11 rebounds for Wisconsin, rallying the Badgers to a 64-63 overtime victory against Arizona to advance to the Final Four.
Scottie Wilbekin scored 14 of his 23 points in the first half as Florida became the first team to advance to the Final Four with a 62-52 win over the 11th-seeded Dayton Flyers.
Aaron Harrison hit a 3-pointer for the go-ahead score with 39 seconds left and Julius Randle made a pair of clutch free throws to lift Kentucky to a 74-69 victory over their in-state rivals.
Branden Dawson had 24 points and 10 rebounds as Michigan State beat top-seeded Virginia 61-59 to advance to East Regional final.
The Wolverines (28-8) led by 15 with 10:55 to go, but committed four turnovers in the final 97 seconds.
Arizona rallied to beat San Diego State 70-64 Thursday night and advance to the final eight of the NCAA tournament.