Justin De Fratus – signed a one-year contract and will compete for a bullpen spot.
Daniel Robertson – claimed off waivers from the Angels. Dipoto knows Robertson well and he will likely be organizational outfield depth.
Anthony Bass – acquired along with Martin from the Rangers. The M’s have given Bass permission to pursue options in Japan.
Luis Sardinas – acquired via trade from the Brewers, will provide depth in the infield.
Ryan Cook – signed a one-year deal and will compete for a bullpen spot.
Joe Wieland – acquired via trade from the Dodgers and provides organizational starting pitching depth.
Brad Mills – signed to a minor-league contract.
Donn Roach – signed to a minor-league contract, will provide organizational depth.