Four late free throw conversions by Malik Smith in the final 30 seconds and one by Elliott Eliason with 33 seconds, enabled the Gophers (13-3, 2-1 Big Ten) to hang on after taking its first lead of the second half with 1:43 remaining.
Tim Frazier scored 20 points for Penn State (9-7, 0-3) but was unable to finish the game after injuring his right leg with 2:08 left and Penn State leading 59-57.
Mathieu forced back-to-back Penn State turnovers, including a strip of John Johnson and his ensuing basket gave the Gophers a 63-60 lead and forced Penn State to foul.
The Nittany Lions' Allen Roberts missed a game-tying 3-point shot with 1 second to go.
Minnesota, which has won 30 out of 40 games in its series with Penn State, also got 11 points and 12 rebounds from Eliason.
Gophers Add Springs for 2016-17 Season
University of Minnesota head men’s basketball coach Richard Pitino announced Tuesday the addition of guard Akeem Springs, who will transfer from Milwaukee for the upcoming season.
Watch Raise the Barn: Looking Ahead
In the final episode of Raise the Barn, the prospects for 2016-17 are discussed.
Pitino Blog: April Update
Coach Pitino outlines his expectations for each of the returning and new Gophers for next season and more.