The Chicago Bulls win 72 games in the 1995-96 NBA season.

The "Immaculate Reception" by Franco Harris in the 1972 NFL playoffs.

Ben Johnson's controversial 100m gold medal at the 1988 Seoul Olympics.

Michael Jordan's "Flu Game" in the 1997 NBA Finals.

Argentina's Lionel Messi scores 91 goals in a calendar year (2012).

Steffi Graf completes the Golden Slam in 19

Bo Jackson's famous throw from the outfield to home plate in 19

Nadia Comaneci scores the first perfect 10 in Olympic gymnastics in 19

Hank Aaron breaks Babe Ruth's home run record in 19

Serena Williams wins her 23rd Grand Slam title at the 2017 Australian Open.