But it’s not the first time individuals or teams have been caught cheating. Here are seven other examples of cheating scandals that rocked the world of professional sports:
The Cincinnati Reds beat the heavily favored Chicago White Sox five games to three during the 1919 World Series.
The eight players were acquitted in a 1921 trial but were banned for life from professional baseball by then-commissioner Kenesaw Mountain Landis.
Marathoner takes the subway
Rosie Ruiz won the 1980 Boston Marathon and even set a new record time, finishing in less than three hours.
But questions started to arise when it turned out no one saw Ruiz running during the marathon and she had shaved 25 minutes off her already impressive time in the 1979 New York Marathon.
Marathon officials stripped Ruiz of her title, but she maintains she finished both races fair and square. She has also never given back her first place medal.
Cyclist admits to doping
Prior to his admission, Armstrong either resigned or was dropped from the boards of various foundations. The US Anti-Doping Agency stripped him of his seven Tour de France titles and imposed a lifetime ban on him.
The International Cycling Union also stripped Armstrong of his Tour de France titles and banned him from professional cycling for life.
After his admission, the International Olympic Committee stripped Armstrong of the bronze medal he won at the 2000 Olympic Games in Sydney.
Olympic track star sentenced to prison
Marion Jones won five medals at the 2000 Olympics, including gold in the 100 meters, 200 meters and 1,600-meter relay, and bronze in the long jump and 400-meter relay.
NBA ref took bets on games he officiated
Donaghy and two other men were involved in a gambling ring in which Donaghy was paid to provide winning picks based on classified information he received as a referee. Donaghy used code language to tip off the men, authorities said.
The former referee told a judge in 2008 that he got involved with the gambling ring to pay for his severe gambling addiction.
Donaghy was sentenced to 15 months in prison and three years of supervised release — less than the maximum penalty of 33 months, or nearly three years, in prison.
The two men — James Battista and Thomas Martino — were sentenced to more than year in prison. They and Donaghy also agreed to pay the NBA more than $200,000 in restitution.
The NBA at the time denied that Donaghy’s conduct was part of a larger problem within the league.
Ice skater’s knee bludgeoned before Olympics
One of the biggest sports rivalries of the 1990s was between professional ice skaters Tonya Harding and Nancy Kerrigan.
Kerrigan recovered in time for the performance and went on to take silver.
NFL team punished in two scandals
The New England Patriots are no strangers to scandals.
In 2007, the Patriots were caught videotaping the New York Jets coaches’ hand signals during a game in what became known as Spygate. NFL Commissioner Roger Goodell fined Patriots head coach Bill Belichick $500,000, while the team was fined $250,000 and lost a first-round draft pick.
Quarterback Tom Brady was hit with a four-game suspension at the beginning of the 2016 season. The Patriots organization was fined $1 million and forfeited draft picks.