Guard Jason Pinkston reached a settlement with the Browns on Monday and was waived as he battles blood clots in his lungs again.
"Thank you everyone for all the thoughts and prayers," Pinkston wrote on Twitter. "Cleveland, it's been a honor to be apart of the city! The best fans in the world.
The team announced the move. ESPN's Adam Schefter first reported it would happen because of Pinkston’s latest bout with blood clots.
Pinkston's NFL career might be finished. He's 26.
"More than likely I'll have to retire," Pinkston said in text message quoted by Schefter. "The Browns were great working with me and I would love to thank GM Ray Farmer and Owner Jimmy Haslam for my opportunity here in Cleveland. It's been an honor to be apart of the organization and city."
Pinkston participated in spring practices this year but was never medically cleared to participate in training camp, which opened July 26. He was at the team's facility Monday before the news about his future broke.
In 2012, Pinkston missed 10 games with a blood clot in his lung. He came back last season but only appeared in three games (with two starts) after suffering a high-ankle sprain in the preseason.
He started all 16 games at left guard as a rookie in 2011 and the first six games of the 2012 season before his condition was discovered.
In 2011, former Browns General Manager Tom Heckert drafted Pinkston in the fifth round (No. 150 overall) out of the University of Pittsburgh.