Both...when Iowa went to their bigger lineup with length and especially when Jok came on the floor initially, the activity picked up on the defensive end.
I thought Clemmons played very well in his limited time too. Both he and Jok made it a point to get the ball to the big men for easy scores...what a concept.
So far, with the original lineup back on the floor, that has disappeared again, but I expect to see that change as this game goes along.