Today in sports history: Aug. 6
In 1966, Muhammad Ali knocks out Brian London in the third round to retain his world heavyweight title. See more sports moments from this date:
1966: Muhammad Ali knocks out Brian London to retain his world heavyweight title

1966 — Muhammad Ali knocks out Brian London in the third round to retain his world heavyweight title.
1972: South African Gary Player wins his second PGA golf championship

1972 — South African Gary Player wins his second PGA golf championship with a two-stroke victory over Jim Jamieson and Tommy Aaron.
1992: Carl Lewis leads U.S. sweep in long jump in Olympics

1992 — Carl Lewis leads a U.S. sweep in the long jump in the Olympics with a mark of 28 feet, 5 1-2 inches on his first attempt. Mike Powell takes the silver and Joe Greene the bronze. Kevin Young demolishes one of track’s oldest records with a time of 46.78 seconds in the 400 hurdles. Bruce Baumgartner becomes the first American wrestler to win medals in three straight Olympics, taking the gold in the 286-pound freestyle division.
1994: Jeff Gordon wins Brickyard 400, first stock car race at Indianapolis Motor Speedway

1994 — Jeff Gordon wins the Brickyard 400, the first stock car race at the Indianapolis Motor Speedway.
2006: Sherri Steinhauer wins Women’s British Open for third time

2006 — Sherri Steinhauer wins the Women’s British Open for the third time, and the first since it became a major.
2010: Tyson Gay upsets defending world and Olympic champion Usain Bolt

2010 — Tyson Gay upsets the defending world and Olympic champion Usain Bolt in a race between the two fastest runners in history. Gay beats the Jamaican at the DN Galan meet in 9.84 seconds at the same stadium where Bolt last lost a race two years ago. Bolt finishes second in 9.97.
2015: Ryan Lochte becomes first man to win 200-meter IM four consecutive times

2015 — Ryan Lochte becomes the first man to win the 200-meter individual medley four consecutive times at the world swimming championships. Lochte comes home strong on the freestyle lap and touches first in 1:55.81 in Kazan, Russia.