Donte Whitner: Rookie Justin Gilbert Already 'One of the Best Athletes' in NFL

The Cleveland Browns signed safety and Cleveland native Donte Whitner this past offseason to a four-year contract.

What does Whitner think of rookie cornerback Justin Gilbert? What is his take on the potential of the Browns secondary?

Watch as Bleacher Report NFL Analyst Chris Simms goes in-depth at Browns training camp with Whitner in the video above.