Michigan State and Purdue are now both 1-1 in conference play.
Freshman Gary Harris scored a career-high 22 points on 7-of-13 shooting from the field to lead No. 18 Michigan State over Purdue, 84-61, on Saturday.
Harris also made six 3-pointers for the Spartans.
Down six at halftime, Purdue opened the second half with a 9-2 run to take a 39-38 lead with 15:51 left in the game. Michigan State immediately answered with a 11-2 run to take its largest lead of the game at that point, 49-41, with 12:16 remaining.
Michigan State never relinquished the lead the rest of the way as they outscored Purdue 48-31 in the second half to secure the win and improve to 1-1 in conference play.
Purdue was led by A.J. Hammons who finished the game with 20 points on 8-of-12 shooting from the field.