Zimmer's homer came in the top of the ninth inning with the bases empty against Erie closer Paul Voelker. He added another RBI earlier in the game on a single -- his first RBI at the Double-A level.
In 77 games for Class A Advanced Lynchburg this season, Zimmer hit .305/.401/.488 with 10 homers.
AJ Cassavell is a reporter for MLB.com. Follow him on Twitter @ajcassavell. This story was not subject to the approval of Major League Baseball or its clubs.