"He proved he can be a valuable member of a team this past season," Stearns wrote in an email. "At this point in the offseason, it's a nice luxury to have the extra roster flexibility."
Herrera entered 2015 with one home run in parts of three Major League seasons for the Dodgers and Brewers, but he hit seven in 256 at-bats this past season. After the Brewers traded Aramis Ramirez, Herrera was among the players who saw significant starts at third base, and he was considered one of the incumbent candidates -- with newly acquired Jonathan Villar and prospect Yadiel Rivera -- to play the position for the Brewers in 2016.