Red Sox signed C Mike Rivera to a minor league contract; assigned him to Triple-A Pawtucket. Rivera was released by the Brewers at the end of spring training after failing to beat out George Kottaras for backup catching duties. The 35-year-old will function as organizational depth this summer for Boston.

Brewers released C Mike Rivera. He wasn't going to make the team with Jonathan Lucroy and George Kotteras around, and the Brewers preferred to go with Martin Maldonado and Paul Phillips at Triple-A. Rivera should catch on somewhere.

Brewers re-signed C Mike Rivera to a minor league contract. He also gets an invite to spring training. The 31-year-old backstop appeared in one game with the Brewers this past season, but spent the majority of the year at the Triple-A level. He'll continue to provide organizational depth in the minors.