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Orlin Wagner, Associated Press
Kansas forward Thomas Robinson (0) drives to the basket past Long Beach State forward James Ennis, right, during the first half of an NCAA college basketball game in Lawrence, Kan., Tuesday, Dec. 6, 2011.

LAWRENCE, Kan. — Ohio State coach Thad Matta says the decision won't be made until Saturday whether star forward Jared Sullinger is available to play in second-ranked Ohio State's game at No. 13 Kansas.

The big man has been hobbled by a bad back, but he participated in practice this week.

Kansas coach Bill Self says he expects Sullinger to play. If that's the case, he'll be going up against Kansas star Thomas Robinson in a battle of likely first-round NBA draft picks.

There are other juicy matchups. Ohio State's Aaron Craft will go against the Jayhawks' Tyshawn Taylor, while Kansas guard Travis Releford will be tasked with shutting down William Buford.