I have nothing.
Clearly the defender was making an attempt to move up the lane in anticipation of the player he is guarding making a high post flash.
The Northwestern player OBVIOUSLY is in no way coordinated enough to negotiate his cut through traffic and stumbles over both the "BIG TEN" logo painted in the lane and his own foot.
You can't reward a player for not being skilled
(This is also why you won't see me calling any IU games!
)
Seriously, I would stick with intentional. It does not rise to the level of impeach...errrr Flagrant IMO.