Muncy hit .186 in 51 games over three stints with Oakland in 2016, starting 19 games at second base, 13 in right field and one at third base. He hit .251 with 26 RBIs in 64 games with Nashville last season.
Muncy, 26, was the club's fifth-round pick in the 2012 Draft and is a .career 268/.375/.425 hitter in the Minor Leagues.
Cash Kruth is a reporter for MLB.com. Follow him on Twitter at @cashkruth. This story was not subject to the approval of Major League Baseball or its clubs.