Updated Aug. 3, 2010 @ 4:45 p.m. ET
Second-year Broncos RB Knowshon Moreno sustained a hamstring injury at practice Sunday, reports indicate.
According to reports, an MRI revealed that the hamstring is not torn but likely strained. As a result, Moreno is expected to be sidelined three weeks.
RB Correll Buckhalter also limped off the practice field Sunday, leaving the Broncos with little depth at running back.
Denver traded RB J.J. Arrington to the Eagles for LB Joe Mays over the weekend.
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