Michigan State coach Tom Izzo called out ex-Spartan Paul Davis, who was ejected from his seat near courtside after allegedly making an inappropriate remark to a referee.
After taking a 30-point loss against No. 2 Michigan to begin their trip, the Trojans shoot 33% in an 80-51 defeat against the Spartans and drop to 1-3 in Big Ten play.
Anderson, who spent his first two college seasons at North Carolina State, is the fourth transfer to commit to the Trojans. Defensive lineman Jide Abasiri re-signs and will return next season.