The back and forth continues in the first half as Purdue leads Michigan, 28-25, with 6:44 to play.
The Boilermakers continue to control the paint, scoring 22 points down low.
But Michigan is shooting 56 percent with Zak Irvin (6 points) starting to get warm.
Michigan hitting threes to stay with Purdue
Michigan has hit three 3-pointers -- one each from Duncan Robinson, Mark Donnal and Kam Chatman -- to hang with the bigger Boilermakers, who lead 19-17 with 11:48 left in the first half.
Purdue has scored 14 points in the paint and A.