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The Buffalo Bills have another option at their uncertain offensive tackle position.
Fourth-year veteran Seantrel Henderson, who started 26 games at right tackle in 2014 and 2015, was activated Monday to the Bills' 53-man roster.
Henderson last week came off a 10-game NFL suspension for a second violation of the league's substance abuse policy. He served five games at the end of last season and the first five of this season.
Henderson was diagnosed with Crohn's disease last season. He had used medicinal marijuana in 2016 to deal with the pain from the illness. However, there are no exemptions for medical marijuana under the NFL's current collective bargaining agreement.
To make room on the roster, the Bills released cornerback Greg Mabin.
Henderson, 25, took part in the Bills' practice Monday and said he was eager to contribute to the team.
"It felt good, it's been a long time coming," he said. "My conditioning is there. I've been going at it every day, with no days off. I know conditioning-wise I'm good. As far as techniques, that's really what I need to get back, the speed and working at my craft so I can get out there and play."
The 6-foot-7 Henderson missed the final three games of the 2015 season due to his illness and underwent two surgeries in the 2016 offseason to remove part of his intestine. At one point in his battle with the illness he was down to 280 pounds.
But he was back up to 340 during training camp in August. He said Monday that proper diet has allowed him to maintain that weight.
"I really haven't had any complications," he said. "My health has been fine. My diet is most important. I'm back where I want to be."
The Bills are sorting out their offensive line cast upon returning from their bye week.