The Seattle Seahawks defense may be a little bit deeper in 2015.

Through two weeks of training camp, Cassius Marsh, a fourth-round selection in the 2014 NFL Draft by the Seahawks, is making a strong impression.

"He has improved on his rush skills, on the edge rushing," defensive line coach Travis Jones said. "That's what we're concentrating on with him now … In the Leo position in base and defensive end in nickel, and he has really excelled and done well in camp."

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Marsh appeared in five games last year, before suffering a foot injury that ended his rookie campaign early.

On the depth chart, Marsh as listed as backup to Cliff Avril on the right side, with rookie Frank Clark backing up Michael Bennett on the right side. Regardless, though, the Seahawks envision Marsh as someone who can make a contribution and impact the game when he's on the field.

"He's shown us that he's a very instinctive football player, he really has a great sense for the game, and he can do a lot of things in the game," head coach Pete Carroll said.