Justin Duchscherer  agreed  to a one-year deal Wednesday with the Oakland Athletics.He missed most of last season with a strained right hip but was an all-star in 2005, going 7-4 with a 2.21 ERA in 65 games. Duchscherer was one of four arbitration-eligible players on the Oakland roster, along with starters Joe Blanton and Chad Gaudin and reliever Huston Street.Duchscherer appeared in 17 games last season.