ANN ARBOR, Mich. (AP) - Michigan's Glenn Robinson III says a second-half skirmish against Michigan State helped fire up the Wolverines in their victory last weekend. Robinson drove to the basket, the ball was knocked out of bounds - and then players on both teams had to be separated as the game became increasingly testy down the stretch. Michigan went on to an 80-75 victory over the Spartans, taking over first place in the Big Ten with the emotional win. The 10th-ranked Wolverines host Purdue on Thursday night at 9 p.m.- and although a letdown is certainly possible for Michigan, Robinson expects he'll be fired up to play the Boilermakers, as usual. Robinson's father was a star at Purdue.