US player Steve Johnson returns to Bulgaria's Grigor Dimitrov during their men's singles second round match on day three of the 2015 Wimbledon Championships at The All England Tennis Club in Wimbledon, southwest London, on July 1, 2015. Dimitrov won the match 7-6, 6-2, 7-6. RESTRICTED TO EDITORIAL USE -- AFP PHOTO / LEON NEAL (Photo credit should read LEON NEAL/AFP via Getty Images)
