SI's David Gardner and Ted Keith discuss how the Northern Iowa Panthers crumbled down the stretch, and the last second heroics of Bronson Koenig's game-winning jumper, and Rex Pflueger's tip-in to send their their respective teams to the Sweet 16.

Hoop Thoughts: Reviewing the NCAA tournament's opening weekend & previewing the Sweet 16

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Sports Illustrated's B.J. Schecter, Ted Keith and David Gardner discuss the matchups in the Sweet 16 midwest regional. Who will be the X-factor for each team and which will advance?

Sports Illustrated's B.J. Schecter, Ted Keith and David Gardner discuss the match-ups in the Sweet 16 east regional. Who will be the X-factor for each team, and which teams will advance?

Sports Illustrated's B.J. Schecter, Ted Keith and David Gardner discuss the match-ups in the Sweet 16 south regional. Who will be the X-factor for each team, and which teams will advance?

Sports Illustrated's B.J. Schecter, Ted Keith and David Gardner discuss the match-ups in the Sweet 16 west regional. Who will be the X-factor for each team, and which teams will advance?

Resetting the NCAA tournament: Midwest region