Photos: Northwestern 67, Iowa 62

Northwestern coach Chris Collins celebrates in final seconds of 67-62 win over Iowa.  (Scott Strazzante / Chicago Tribune)

Northwestern players celebrate the win over Iowa.  (Scott Strazzante / Chicago Tribune)

Northwestern’s Nikola Cerina celebrates Dave Sobolewski’s 3-pointer in the second half.  (Scott Strazzante / Chicago Tribune)

Northwestern’s Dave Sobolewski celebrates a three-pointer late in the game.  (Scott Strazzante / Chicago Tribune)

Tre Demps drives on Iowa’s Zach McCabe before being called for an offensive foul.  (Scott Strazzante / Chicago Tribune)

Northwestern’s Tre Demps powers past Iowa’s Mike Gesell (left) and Roy Devyn Marble in the second half.  (Scott Strazzante / Chicago Tribune)

Northwestern’s Dave Sobolewski dribbles away from Iowa’s Jarrod Uthoff.  (Scott Strazzante / Chicago Tribune)

Northwestern’s Tre Demps collides with Iowa’s Zach McCabe before being called for an offensive foul in the first half.  (Scott Strazzante / Chicago Tribune)

Northwestern’s Drew Crawford drives to the basket against Iowa’s Melsahn Basabe.  (Scott Strazzante / Chicago Tribune)

Northwestern coach Chris Collins yells instructions in the first half.  (Scott Strazzante / Chicago Tribune)

Northwestern’s Drew Crawford is defended by Iowa’s Josh Oglesby in the first half.  (Scott Strazzante / Chicago Tribune)

Northwestern’s Sanjay Lumpkin drives against Iowa’s Melsahn Basabe in the first half.  (Scott Strazzante / Chicago Tribune)

Northwestern coach Chris Collins reacts to an early lead by his Wildcats.  (Scott Strazzante / Chicago Tribune)

Iowa’s Aaron White reacts to hitting a 3-pointer.  (Scott Strazzante / Chicago Tribune)

Northwestern’s Alex Olah is double teamed by Iowa’s Adam Woodbury and Roy Devyn Marble in the first half.  (Scott Strazzante / Chicago Tribune)

Northwestern’s Alex Olah watches the ball go out of bounds.  (Scott Strazzante / Chicago Tribune)