To be an effective safety in today's NFL, you need both the presence of mind and physical ability to make challenging plays in the air on a dime. Sure, you need to prove yourself out on the field, but ...
Guinness World Records on MSN
Highest seated box jump 1.689 metres (5 ft 6.5 in) by Brian Williams
In this attempt, Brian started from a seated position facing the platform, with both feet flat, no run-up, then landed on both feet, and stood fully upright without using his hands for support!
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