UPDATE:
Videos by FanBuzz
#Bills HC Rex Ryan: LeSean McCoy has a hamstring injury. The hamstring is in tact, not off the bone. We're getting an MRI on it
— Joe Buscaglia (@JoeBuscaglia) August 18, 2015
Buffalo RB LeSean McCoy strained his hamstring, per source; Bills not sure of severity yet.
— Adam Schefter (@AdamSchefter) August 18, 2015
______________________
Not a day after it was announced Buffalo Bills running back Karlos Williams would miss significant time due to an undisclosed injury, LeSean McCoy went down during the team's practice Tuesday.
LeSean McCoy walking to locker room with heavy limp. Left leg injury. pic.twitter.com/hDJlkr5g2Y
— Mike Rodak (@mikerodak) August 18, 2015
LeSean McCoy injured for the Bills. Sitting on field with trainees around. They cannot afford another RB injury.
— Mike Rodak (@mikerodak) August 18, 2015
We'll continue to update this story as information is released.