SPORTS
01/06/2014 10:46 am ET Updated Jan 08, 2014

J.R. Smith Unties Shawn Marion's Shoe (VIDEO)

Knicks guard J.R. Smith dipped into his bag of tricks from elementary school on Sunday night against the Mavericks.

Smith checked into the game as Dirk Nowitzki was shooting free throws and stood next to Dallas' Shawn Marion. Just before Nowitzki went to shoot, Smith reached down and untied Marion's shoe.

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