Gerald Henderson scored nine of his 21 points in the final two minutes to help No. 7 Duke beat No. 24 Florida State 84-81.
Kyle Singler scored 20 points, Jon Scheyer added 17, and Henderson had 10 rebounds for the Blue Devils (25-5, 11-4 Atlantic Coast Conference).
They won their fifth straight, matched the NCAA record for most wins in a decade with 286 and moved a half-game behind No. 2 North Carolina in the league standings.
Toney Douglas scored 27 points for the Seminoles (22-8, 9-6), and his three-pointer from the right wing gave Florida State a 76-74 lead with 2:25 remaining.
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That's when Henderson took over.
No. 8 Michigan St 64, Indiana 59: Kalin Lucas scored 15 points, and Raymar Morgan added 14, including a crucial dunk with 27.5 seconds left, to lead the visiting Spartans.
Michigan St. wore down the short-handed Hoosiers with depth, speed and muscle. But they still had to survive scoring just eight points in the final nine minutes to clinch their first outright Big Ten title since 1999.
Indiana lost its eighth straight.
No. 18 Clemson 75, Virginia 57: Terrence Oglesby scored 18 points, and the host Tigers used their inside power to snap a two-game skid.
Clemson (23-6) improved to 9-6 in the Atlantic Coast Conference, guaranteeing back-to-back winning seasons in the league for just the second time in school history.
Calvin Baker had 18 points to lead the Cavaliers, who've lost four in a row.
Transylvania: Senior Joey Verax was named the Heartland Collegiate Athletic Conference Most Valuable Player Tuesday. Transy's Brian Lane was named Coach of the Year.
Verax, a senior forward from Pendleton County High School, led the Pioneers to the conference regular-season and tournament titles, topping the team in scoring (16.2 points per game) and rebounding (5.5).
Lane, who has a 136-77 record at Transy, won the league's top coaching award for the third time.
Western Kentucky: Senior guard Orlando Mendez-Valdez was named the 2008-09 Sun Belt Conference Player of the Year.
Mendez-Valdez is averaging 14.2 points and 4.0 rebounds per game for the Hilltoppers.
The league also recognized junior A.J. Slaughter, who was named to the All-Conference Second Team.
South Alabama: Domonic Tilford, a senior who attended Jeffersontown High School, was also named to the second team.
Western Kentucky: Sophomore forward Arnika Brown was named to the All-Sun Belt Conference First Team, and WKU junior guard Kenzie Rich made the third team.
Brown is fifth in the nation and first in the league with 11.6 rebounds per game. She also leads the Hilltoppers in scoring with 14.4 points per game.
Rich is WKU's second-leading scorer at 14.2.
Middle Tennessee State: Former Scott County High School standout Chelsia Lymon was named Sun Belt Defensive Player of the Year and was a third-team selection. Lymon, a 5-foot-5 junior, is averaging 9.5 points and 2.7 steals per game this season.