Thomas, 33, played every snap for the Browns since he was the third overall pick in the 2007 NFL Draft until he suffered a triceps injury in October 2017. The streak was ended at 10,363 snaps when he was forced to leave in the third quarter of a loss to the Tennessee Titans. The injury forced him to miss the remainder of the season.
“This was an extremely difficult decision, but the right one for me and my family,” Thomas said in a statement. “Playing in the NFL has taken a toll on my body and I can no longer physically compete at the level I need to.”
The Browns announced plans to enshrine Thomas’ streak of 10,363 snaps in the team’s Ring of Honor in 2018.