Ravens Sign Quarterback Josh Johnson, Offensive Lineman Vladimir Ducasse

Baltimore has added another arm under center and a big former second-round offensive lineman. The Ravens also brought in another rookie free agent, defensive back Sam Brown.

General Manager Ozzie Newsome wasn’t done adding free agents after Friday’s signing of cornerback Jerraud Powers.

The Ravens inked quarterback Josh Johnson and guard Vladimir Ducasse Monday morning, adding more competition at those positions this summer.

Baltimore’s 90-man roster is now filled.

Ducasse is a 6-foot-5, 325-pound offensive lineman and former second-round pick of the New York Jets (2010). He didn’t see a lot of action in New York, but has gradually received more starts. Ducasse started 11 games last year with…