The team exercised its options for next season on second baseman Todd Walker and reliever Scott Williamson. Walker, who hit .305 with 12 homers and 40 RBI in 110 games, will earn $2.5 million. The right-handed Williamson, who will earn $2 million, had a 5.65 ERA in 17 games after undergoing Tommy John surgery on his right elbow in the offseason.