How does Vernon Davis power up his game? In this special edition of our "One-Up" series, the San Francisco 49er (and Jamba Juice franchisee) shares some of the exercises he's been doing during the off-season to "one-up" defenders this upcoming football season. Last week was all about the Plyo Pushup. This week, Vernon takes you through the Box Jump. Set your timer for 30 seconds and see if you can beat Vernon's score. Watch the video for some helpful tips—then stick around until the end to see outtakes from our shoot!
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