Well known for his 16-year, journeyman NFL career—Fitzpatrick's longest stint was actually with Buffalo from 2009 to '12. Over 53 starts in blue and red, he tallied a 20-33 record while throwing for 11,654 yards, 80 touchdowns, and 64 interceptions.

In a clip shared to social media, Fitzpatrick was on the field hyping up the crowd at Highmark Stadium when he paused and began stripping off his shirt. Fitzpatrick was wearing a blue No. 14 Bills jersey with his name on the back.