Electronic Arts today annonced that tennis legend John McEnroe will headline a roster of some of the sport's all-time greats to be featured in Grand Slam Tennis, a Nintendo Wii game in the works at EA Sports and set to be available on June 18th, 2009. One of the greatest tennis players of all-time, McEnroe won seven Grand Slams, including three at Wimbledon, and amassed 77 singles titles. He stopped playing singles on the main ATP tour at the end of 1992 but has remained heavily involved in tennis, playing on seniors tours and providing television commentary for a number of networks at the Grand Slams. Two new screens found their way in our gallery.