Julian Edelman is a Twitter Football Hall of Famer, which is very different from being a Pro Football Hall of Famer.
A Twitter Football Hall of Famer is a player who was successful and accomplished enough to convince hometown and casual fans that he has a case for Canton, and is also famous enough to "trend," in industry parlance. When such a player enters his retirement cycle, it immediately sparks a debate, because Hall of Fame content is incredibly easy to produce [winks at camera], and because stumping for a local hero is a great way to earn some regional engagement on a blog or podcast.