Gary Williams had a positive message for Maryland, and his unranked team responded.
Greivis Vasquez and Dave Neal each scored 17 points Thursday as the Terrapins hustled their way to an 80-62 upset of No. 5 Michigan State at the Old Spice Classic.
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"Coach told us in the locker room, 'Let's go out and win this tournament,'" Vasquez said. "That fired us up."
Maryland is one of two teams in the field that didn't receive a vote in this week's Associated Press Top 25. Four squads are ranked, topped by the Spartans.
After falling behind by three early in the first half, Maryland countered with a 23-5 run to grab the lead for good.
Maryland will play No. 9 Gonzaga on Friday.
No. 12 Tennessee 78, Siena 64: Tennessee avoided a potential upset by holding off the Saints for an Old Spice Classic first-round win.
"Our defense, and Siena's desire to drive the ball to the basket at all costs, meant we had to build a wall," said Tennessee Coach Bruce Pearl. "That was key. We made them have to beat us from outside."
Wayne Chism scored 15 points, and Renaldo Woolridge and Tyler Smith each added 14 for the Vols.
Siena made only one of 15 threes and turned the ball over 18 times, one fewer than Tennessee.
Tennessee will meet No. 21 Georgetown in the second round of the winner's bracket on Friday.
No. 9 Gonzaga 83, Oklahoma State 71: Micah Downs scored 17 points and Jeremy Pargo added 15 to lead Gonzaga past Oklahoma State in the Old Spice Classic and hand new coach Travis Ford his first loss with the Cowboys (4-1). Pargo scored on a spin move in the lane to complete a 9-0 run that put Gonzaga ahead 71-63 with 4:21 remaining.
No. 14 Arizona State 84, Charlotte 56: Jeff Pendergraph had 23 points and 10 rebounds to help Arizona State beat Charlotte in the first round of the 76 Classic.
James Harden made all 11 of his free throws and scored 15 points for the Sun Devils.
No. 19 Wake Forest 75, Cal State-Fullerton 69: Jeff Teague scored 24 points and Wake Forest overcame a slow start to hold off Cal State-Fullerton in the first round of the 76 Classic.
Al-Farouq Aminu and Chas McFarland added 14 points apiece for the Demon Deacons, who will play UTEP in the semifinals Friday. The Miners beat St. Mary's 75-62.
No. 21 Georgetown 58, Wichita State 50: Austin Freeman scored 18 points and DaJuan Summers added 14 to lead Georgetown to a win in the Old Spice Classic.
Freshman center Greg Monroe added 11 points.
Wednesday's late game
No. 1 North Carolina 102, No. 8 Notre Dame 87: Tyler Hansbrough had 34 points to lead the top-ranked Tar Heels to a victory over Notre Dame on Wednesday night in the championship game of the Maui Invitational.
Hansbrough was 13-for-19 from the field, hitting his shots down low, throwing down dunks and even making a three-pointer. He grabbed five rebounds and blocked two shots, including one by Notre Dame's Luke Harangody, like Hansbrough a pre-season All-American.