Live footage of tennis champion John McEnroe covering Nirvana's song Territorial Pissings has emerged. Watch the seven-time Grand Slam ace and former world No 1 in action here.  

Music website Stereogum reports that keen music fan McEnroe took to the stage at the Stephen Talkhouse New York last Saturday night alongside his wife Patty Smyth, who is the former frontwoman of the band Scandal.

Saturday Night Live producer Lorne Michaels and Harvey Weinstein were among the audience. Watch McEnroe in action below.