The Dallas Cowboys have signed former San Diego Chargers linebacker Andrew Gachkar. It's a two-year deal with a maximum value of $5.5 million. He started five games for the Chargers. He played in 63 games since being drafted by them in the seventh round in 2011. Gachkar has played inside and outside linebacker. Follow me on Twitter: @RavensInsider Aaron Wilson covers the Ravens for The Baltimore Sun