Free agency begins at 4 p.m. ET Tuesday, but our coverage begins at noon ET on NFL Network with Free Agency Frenzy, and continues all day. And check out NFL.com's Free-Agent Tracker for the latest buzz.
Here's what else is on tap for Tuesday:
Lombardi: March madness
Free agency's a frenzied dance between agents and organizations, but Michael Lombardi explains the market's madness. More ...
• 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 former NFL defensive tackle Dan Wilkinson, who turns 39 on Tuesday. Also celebrating a birthday Tuesday is former Chicago Bears defensive tackle Chris Zorich, who turns 43.