Aidan Hutchinson was back on the field, but the Detroit Lions ' injury concerns in the secondary are growing.

Hutchinson was a full participant in his return to practice Thursday, Nov. 13, after sitting out Wednesday, Nov. 12 , with an elbow injury, but the Lions remain without two starters in their defensive backfield and Amik Robertson was added to the report with a hamstring injury.

Robertson has played as the Lions' No. 1 cornerback at times this season with D.J. Reed out since Week 4 with a strained hamstring and Terrion Arnold missing time with a slew of injuries.

Reed is on injured reserve but was a limited participant in his second straight day of practice. It's unclear if the Lions will activate him of IR for this week's game against the Philadelphia Eagles .

Arnold

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