Cleveland Browns receiver Rod Windsor signed with the AFL's Arizona Rattlers on Wednesday. He follows the path taken by Cowboys receiver Troy Bergeron, who signed with the Cleveland Gladiators earlier this week.
Could the AFL go the way of other football leagues started alongside or in direct competition to the NFL? Here's a look at the notable leagues, how they fared and where they might have gone wrong.
The Cincinnati Bengals on Wednesday signed free agent quarterback Jordan Palmer, younger brother of starting quarterback Carson Palmer, to a two-year deal.
As the Arena Football League prepares to kick off its 21st season, here are 21 things you should know about the AFL.