"[Wieters] was real sore," Showalter said. "A little anxiety about what it's going to show."
Wieters, a 2016 All-Star, is hitting .250 with nine homers. Caleb Joseph, a career .216 hitter, is listed behind him on the depth chart and has played in 27 games this season.
Joshua Needelman is a reporter for MLB.com based in New York. This story was not subject to the approval of Major League Baseball or its clubs.