EAST RUTHERFORD, N.J. — The New York Giants have re-signed receiver TJ Jones and placed veteran linebacker Kareem Martin on injured reserve with a knee issue.

The Giants made the moves because of concern about the status of receiver Sterling Shepard for Sunday's home opener against the Buffalo Bills.

Shepard is in the concussion protocol after being hurt in the season-opening 35-17 loss at Dallas. He was at practice Wednesday but did not participate.

Despite leading the Giants receivers in the preseason, Jones was cut on Aug. 31. To create room for him on the roster, Martin was placed on the IR list. He sprained a knee Sunday.

Jones spent the previous four seasons with Detroit, catching 64 passes for 814 yards and four touchdowns.

Bennie Fowler, Cody Latimer, Russell Shepard, Cody Core and Darius Slayton are the team's other receivers.

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