C Jason Castro: Castro has evolved into a top-notch defensive catcher, but he's yet to find consistency on offense. After hitting .276 with 18 homers and 56 RBIs in 2013, he batted .211 (.201 at home) with 11 homers and 31 RBIs last year. He'll need a good offensive year as he approaches free agency.
RHP Scott Feldman: The veteran missed the final month of the 2015 season with a sprained right shoulder, but he has recovered. When he was healthy, Feldman pitched well. He went 5-5 with a 3.