Sports: 40th Anniversary Issue: (Clockwise) Boxing: Muhammad Ali vs Joe Frazier during WBC/ WBA Heavyweight Title fight at Araneta Coliseum in Quezon City, Philippines on 10/1/1975; photo by Neil Leifer.
Gymnastics: USSR Olga Korbut in action during floor exercise of 1972 Summer Olympics at Olympic Sports Hall in Muinch, West Germany between 8/27/1972--9/1/1972; by Focus on Sports.
Football: Cleveland Browns Jim Brown (32) vs Green Bay Packers at Milwaukee County Stadium in WI on 11/23/1964; by Neil Leifer.
Basketball: Los Angeles Lakers Magic Johnson (32) vs Boston Celtics Larry Bird (33) during Game 3 of 1987 NBA Finals at Boston Garden in MA on 6/7/1987; photo by Andrew D. Bernstein/NBAE.
Tennis: USA Billie Jean King in action during 1971 Virginia Slims Tournament match at Newport Casino in RI on 8/30/1971; by Tony Triolo.
Baseball: Atlanta Braves Hank Aaron (44) victorious with 715th career home run ball after breaking Babe Ruth's record during game vs Los Angeles Dodgers at Atlanta Stadium in GA on 4/8/1974; by Neil Leifer. Composite photo illustration by SI Imaging.