Michigan State has advanced to the East Region final.
The Spartans beat LSU 80-63 for a 10th trip to the Elite Eight under Tom Izzo.
Aaron Henry had 20 points, eight rebounds and six assists for the second-seeded Spartans.
Freshman Gabe Brown also had 15 points, an unexpected contribution from a player who had never scored more than 11.
Big Ten Player of the Year Cassius Winston added 17 points and eight assists for the Spartans.