NEW YORK, NY - MAY 10: Host Jimmy Fallon and tennis player John McEnroe play beer pong on the "Late Night With Jimmy Fallon" at Rockefeller Center on May 10, 2011 in New York City. (Photo by Jason ... more 
NEW YORK, NY - MAY 10: Host Jimmy Fallon and tennis player John McEnroe play beer pong on the "Late Night With Jimmy Fallon" at Rockefeller Center on May 10, 2011 in New York City. (Photo by Jason Kempin/Getty Images) less 
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Getty Images | Photo By Jason Kempin / Getty Images
Tue, May 10, 2011 8:29 PM EDT