The article discusses several instances of cheating and deception in sports. These include:
1. Tonya Harding, a figure skater who, with her husband and friend, attacked her opponent Nancy Kerrigan to incapacitate her. Harding was later disqualified for life and fined.
2. Boris Onishchenko, a Soviet pentathlete who used a hidden button in his sword to cheat during a fencing competition at the 1976 Olympics.
3. Sergio Matsoni, a marathon runner who, with the help of his twin brother, cheated by swapping places during a race.
4. The Spanish Paralympic basketball team, which fielded non-disabled players in a tournament for athletes with intellectual disabilities.
5. Artron Underline, an East German bobsledder who, along with her teammate, heated their sled's runners to gain an advantage.
6. Diego Maradona, an Argentine soccer player who scored a goal with his hand during a 1986 World Cup match.
7. Rosie Ruiz, a marathon runner who cheated by taking a shortcut and was later disqualified.
8. Four pairs of badminton players who deliberately lost their matches to gain an easier opponent in the next round during the 2012 Olympics.
9. Robert Rojas, a Chilean soccer player who faked an injury by cutting himself with a scalpel to avoid playing the rest of a match.
10. Femke Van den Driessche, a Belgian cyclocross rider who used a hidden motor in her bike to gain an advantage during a race.
Here are the key facts extracted from the text:
1. Tonya Harding was a famous American figure skater who won the 1991 US Championship.
2. Tonya Harding was involved in an incident with her opponent Nancy Kerrigan, who was attacked and injured before the 1994 US Championship.
3. Tonya Harding won the 1994 US Championship, but was later disqualified for life and fined $160,000 due to her involvement in the attack on Nancy Kerrigan.
4. Boris Onishchenko, a Soviet athlete, was disqualified for life from the Olympics after he was found to have cheated in the modern pentathlon event at the 1976 Montreal Olympics.
5. Sergio Matsoni, a marathon runner, was disqualified for life after it was discovered that he had cheated by having his twin brother run part of the marathon for him.
6. The Spanish Paralympic basketball team was disqualified for fielding non-disabled players in the 2000 Paralympic Games.
7. Ortrun, an East German bobsledder, was disqualified from the 1964 Winter Olympics after it was discovered that her team had heated the runners of their sled, which is prohibited by the rules.
8. Diego Maradona, an Argentine soccer player, scored a goal with his hand in a 1986 World Cup match against England.
9. Rosie Ruiz, a marathon runner, was disqualified after it was discovered that she had cheated by taking a shortcut during the Boston Marathon.
10. Four pairs of badminton players were disqualified from the 2012 London Olympics for intentionally losing matches.
11. Robert Rojas, a Chilean soccer player, was banned for life from soccer after it was discovered that he had faked an injury during a 1989 World Cup qualifying match.
12. A 19-year-old Belgian cyclist, Femke Van den Driessche, was disqualified from the 2016 World Championships after it was discovered that her bike had a hidden motor.