JACKSONVILLE, Fla. (AP) — The Jacksonville Jaguars are down another defender.

Defensive back Will Blackmon, who plays the slot in nickel and dime situations, is out indefinitely because of a broken index finger on his left hand.

Blackmon broke his finger on the first play of Sunday's 27-13 loss to Miami but still played 39 snaps. He has started three games this season, including against the Dolphins, and 11 in two years in Jacksonville.

The eighth-year pro has 28 tackles, a sack and a fumble recovery this season. Without him, safety Sherrod Martin is likely to assume that role.

It's the latest setback for a defense that has been solid the last four weeks. The Jaguars (1-7) played without linebacker Paul Posluszny, cornerback Alan Ball and defensive end Andre Branch against Miami.

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