U.S.' Johnson joins Mahut as a Wimbledon wild card

Copyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

U.S.' Steve Johnson won the ATP Challenger title at Nottingham last week to earn his Wimbledon wild card :: Matthew Stockman/Getty Images

Copyright 2014 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.