PHILADELPHIA (AP) Eagles linebacker Kiko Alonso missed practice Thursday because of a concussion.

Alonso suffered the injury in Tuesday's practice and it's unknown when he'll return. Alonso was acquired from Buffalo in a trade that sent LeSean McCoy to the Bills.

Running back DeMarco Murray also missed practice because he was ill. Murray didn't practice on the first day of training camp Sunday for precautionary reasons because coach Chip Kelly said his hydration levels were low.

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AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFL