Source: Janssen, Nats agree to 1-year deal

Two weeks after trading dependable setup man Tyler Clippard, the Nationals filled a hole in their bullpen by agreeing to a one-year contract with free agent Casey Janssen on Wednesday, a source confirmed to MLB.com. The deal, which the club has not confirmed, guarantees Janssen $5 million, including a buyout for a 2016 mutual option, according to FOXSports.com.