Washington Nationals' Bryce Harper looks back as he runs on the field during batting practice as he begins his minor league rehab assignment with the Single-A Potomac Nationals, Tuesday, June 25, ... more 
Washington Nationals' Bryce Harper looks back as he runs on the field during batting practice as he begins his minor league rehab assignment with the Single-A Potomac Nationals, Tuesday, June 25, 2013, in Woodbridge, Va. The Potomac Nationals play the Myrtle Beach Pelicans. (AP Photo/Nick Wass) less 
1 / 30
Associated Press | Photo By Nick Wass
Tue, Jun 25, 2013 6:21 PM EDT