Brent Yarina, Senior Editor, March 14, 2015

Marvin Clark Jr. introduced himself to the college basketball world Saturday in the Big Ten tourney semifinals.

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The Michigan State freshman slammed down a powerful left-handed dunk during a 15-0 run vs. Maryland that was up there with any slam we've seen at the United Center.

Clark, a reserve who's averaging 4.8 points and 2.2 rebounds in 11 minutes, has had a few highlights in his first season. But none were as impressive as this one.

"He's dunking like he's upset," CBS color commentator Grant Hill said during the telecast.

This wasn't Clark's only big dunk. He also had this putback: