Check out how Toronto Raptors shooting guard DeMar DeRozan is preparing for this weekends slam dunk contest.

Here is a preview of one of DeRozan’s dunks…

Former Trojans DeRozan and Taj Gibson will also play in the Rookies vs. Sophomores game during All-Star weekend at the STAPLES Center on Friday night.

DeRozan scored a perfect score 50 on this dunk at last years contest. He ended up finishing in second place behind Nate Robinson.

And here is how DeMar used to throw down on the Bruins while he was at USC.