Mariners infielder Ty Kelly, who spent all of last season with Triple-A Tacoma, was traded to the Cardinals on Thursday for right-handed pitcher Sam Gaviglio.
The Padres made a "very competitive offer" to free-agent third baseman Pablo Sandoval, a baseball source told MLB.com late Saturday.
The Phillies added pitchers Jesse Biddle, Adam Morgan and Nefi Ogando to the 40-man roster on Thursday to protect them from the Rule 5 Draft.
A week away from possibly releasing first baseman Ike Davis, the Pirates found a productive way to move the veteran, who did not figure in their plans. The Bucs on Sunday dealt Davis to Oakland in exchange for the Athletics' allotment at the 27th slot in the international signing pool.
The Reds have added a pair of experienced infielders to the organization, signing Josh Satin and Ivan De Jesus to Minor League contracts.