Polanco, 22, is batting .345 with a .408 on-base percentage and .558 slugging mark in 50 games with Indianapolis. He has only played right field this season after mostly manning center the last two years.
• Charlie Morton's 61 percent ground-ball rate entering his start Wednesday is tops in the Majors since the start of 2013.
Tim Healey is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.