The Facts: According to ESPN's Adam Schefter, Keller is visiting the Patriots today.x

Diehards Line: The former Dolphins and Jets tight end tore his ACL, MCL and PCL, and dislocated his kneecap last preseason. Keller, if healthy, has proven to be a reliable target averaging 48 catches and 575 yards in his five seasons with the Jets. He didn't play a game after shredding his knee in a preseason game last year with the Dolphins. With Rob Gronkowski coming off a torn ACL, Keller has been mentioned as a candidate to provide the Patriots some depth. ... We'll be watching for more.