Bills' McCoy leaves practice with hamstring injury

Buffalo Bills running back LeSean McCoy was unable to finish practice on Wednesday after suffering a hamstring injury, head coach Rex Ryan announced.

The Bills will evaluate McCoy throughout the week before making a decision on his availability for Sunday's game against the Miami Dolphins, Matthew Fairburn of New York Upstate.com reports.

McCoy is coming off his two best games as a Bill, rushing for 290 yards and three touchdowns over that span.

If the Bills' MVP candidate is unable to play, backup Mike Gillislee will be in line for a significant bump in carries.