(The Chiefs) also announced the signing of linebacker Darrell Robertson.

At 6-4, 246 pounds, Robertson was on the New England practice squad last year. He came into the NFL as a college free agent with Dallas in 2008 out of Georgia Tech, where he was recruited and played for Chiefs offensive coordinator Chan Gailey. In the ‘08 pre-season with the Cowboys, he was credited with four tackles and one for minus yardage. He played two games last year in the Canadian Football League with the Edmonton Eskimos and had six tackles.

In 50 games at Tech, he had 108 tackles and 11.5 sacks.