Dolphins Jay Ajayi out with knee injury

Jay Ajayi
Jay Ajayi /
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The Miami Dolphins just got Arian Foster cleared to be on the field and have now watched Jay Ajayi leave the field for bike work.

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The injury to Ajayi has been reported as a knee injury but thus far there is no reports of what exactly happened or whether he will miss any time other than today.

Ajayi reportedly was doing work on the exercise bike instead of practicing.

The Dolphins are practicing in full pads and contact for the first time since starting camp on Friday. The Dolphins are thin at running back with Foster the experienced veteran but Fosters recent injury history is a major concern.

Ajayi himself has a history of injuries. He missed most of his final college season with a knee injury and missed the first 8 weeks of his rookie season with the Dolphins after breaking a rib in the final pre-season game.

The Dolphins believe that Ajayi can be their workhorse back but only after unsuccessfully trying to lure C.J. Anderson from Denver and letting Lamar Miller leave via free agency to Houston. Miami replaced Miller eventually with Foster but also signed Isaiah Pead and former Dolphins runner Daniel Thomas. They also drafted career college back-up Kenyan Drake in the 3rd round of April’s draft.

Drake has a lot of explosiveness and shined in the dual threat backfield at Alabama but he may not be ready for a featured roll in 2016.

The injury to Ajayi only highlights the lack of depth the Dolphins still have at several positions. Since camp began, the Dolphins have placed Xavien Howard on the PuP list and signed two corners to add depth at the position. Could running back be next?

CORRECTION: Jay Ajayi missed portions of the 2011 season after suffering an ACL tear. He healed and started for Boise State the next two seasons before foregoing his senior season to enter the NFL Draft. Concerns over the heavy workload and previous knee injury were possible reasons for his draft stock to fall.