Dolphins running back Jay Ajayi, a highly hyped fifth-round draft pick, is out with a hamstring injury.
It wasn’t immediately known who long he will be out.
Ajayi, who is competing for the No. 2 running back job, had just one carry for 12 yards in Friday’s scrimmage.
He was expected to emerge as the primary backup to Lamar Miller, but he’s been in a hotly-contested battle with Damien Williams and LaMichael James.
While it wouldn’t be a surprise for the Dolphins to keep four backs, VP Mike Tannenbaum said last week that Ajayi needs to work on his pass protection if he wants to be active on Sundays.
It may open the door for LaMichael James or Damien Williams who are both having good camps for the Dolphins.