Factual error: When Marcus is walking down the street after first meeting the team, he gets picked up by Johnny and his sister. You can see Government of Manitoba vehicles in the background, while the movie is set in Des Moines, Iowa. (00:22:38)
Factual error: When Sid gives his credit card to Jay to pay for their meal because Jay's mom doesn't have enough money, a magnetic strip is on the back of the card. This technology wasn't used on credit cards until 1980. The film takes place in the 70's.
Factual error: At the conclusion of the film it is stated on screen: "Ayrton Senna died aged 34. In the aftermath of his death, the FIA appointed Ayrton's friend Prof. Sid Watkins to improve safety in Formula One. There has not been a fatality in Formula One since." While it is true that no driver has been killed at a Formula One Grand Prix since Senna, there were crashes at the Italian Grand Prix in 2000 and the Australian Grand Prix in 2001 which resulted in the deaths of marshals. (01:37:50)
Factual error: Swain was leading to Shute 9-13. He got an escape, then a takedown, then a fall. The score should have been 12-13 when he got the fall, but the scoreboard still showed 9-13 after the match when he was celebrating with his team. (01:43:33)
Factual error: In the famous "Rumble In The Jungle" fight between George Foreman and Muhammad Ali, the movie portrays Foreman as fighting out of the red corner and Ali fighting out of the blue corner. In the actual fight, Ali fought out of the red corner and Foreman was in the blue.
Factual error: One of the male character is shown wearing a BDU, or Battle Dress Uniform, which wouldn't be developed until the late 70s and wouldn't be released until around 1982, 10 years after the storyline.