San Francisco 49ers safety Donte Whitner was a big reason why the 49ers had one of the most feared defenses in the NFL this past season. Tune in to NFL Network's "NFL Total Access" Tuesday at 7 p.m. ET and hear from Whitner on the 49ers' surprising 2011 season and how the team plans to get over the hump in 2012.
Here's what else is on tap for Tuesday:
Mayock: 2012 draft rankings
» Two decades before the Civil Rights Act, and a year before Jackie Robinson broke baseball's color barrier, Kenny Washington was the first African-American to play in the modern NFL.
» The NFL has grown from humble roots to a league with a global fan base, and it's not stopping. Take a look at the sport's evolution.
» Happy birthday to free-agent wide receiver Braylon Edwards, who turns 29 on Tuesday. Also celebrating a birthday Tuesday is former NFL running back Terry Allen, who turns 44.