AFC West notes: Castillo, Merriman practice

  • The Chargers’ defense may be getting healthier as San Diego approaches a key game at Dallas on Sunday. Defensive end Luis Castillo practiced fully after missing two weeks because of a calf injury.

  • Linebacker Shawne Merriman practiced on a limited basis Wednesday. He didn’t play against Cleveland on Sunday and missed the past two weeks of practice.

  • Center Nick Hardwick had a setback in his return from an ankle injury that he suffered in Week 1. He did not practice Wednesday and he likely won’t play at Dallas.

  • There is a chance newly signed tackle Jon Runyan will play against the Cowboys. He signed three weeks ago.

  • Oakland guard Robert Gallery could miss extended time with a lower back issue. Gallery missed several weeks earlier this season with a leg injury.

  • The AFC West has a presence in the ESPN.com MVP watch again this week.