Tennis legend Björn Borg celebrates 70th birthday

Swedish tennis icon Björn Borg turns 70 years old today. The Stockholm native helped drive a massive surge in tennis popularity worldwide during the 1970s through his dominant play and rivalry with players like John McEnroe. Borg won 11 Grand Slam singles titles during his career, including five consecutive Wimbledon championships from 1976 to 1980 and six French Open titles. His calm demeanor and baseline playing style, combined with his success at such a young age, made him one of the sport's first global superstars and helped establish tennis as a major international sport.