Corrected entry: When the ball players are walking into court a fan sticks a ball in front of Shoeless Joe Jackson to sign and he does. It is common knowledge and is talked about in the film that he cannot read or write. He signs court documents with an "X". Who would want that autograph?
Corrected entry: In the film, the two sports writers (Ring Lardner and Hugh Fullerton) are noticing the poor play of the Black Sox. In reality, ailing Hall-of-Fame pitcher Christy Mathewson pointed out their pathetic play. In fact, Mathewson, who played a key role in discovering the perpetrators, wasn't even mentioned in the film.
Corrected entry: During the film White Sox pitcher Ed Cicotte's last name is pronounced Sih-Coat-ee. In reality it was pronounced Sy-Cott.
Corrected entry: The movie takes place during the year 1919. Yet before one of the World Series games the stadium announcer requests that everone stand up to sing the national anthem. The US did not have a national anthem until the 1930's when Frankin D. Rosevelt signed into law the Star Spanngled Banner as the nation anthem.
Corrected entry: Shoeless Joe Jackson is shown batting righthanded and throwing lefthanded. In reality, it was the opposite. He threw righthanded and batted lefthanded.
Corrected entry: During an interrogation prior to the trial, Buck Weaver asks a lawyer who the Babe Ruth of the group is. In 1919, Babe Ruth was a good player, but did not have the star power he gained later. Ruth had not even become a Yankee yet. The question relates to how Ruth is viewed today, not how he was in 1919.
Corrected entry: When Shoeless Joe Jackson makes a diving catch towards the end of the film, you can hear a ball hit his glove but you never see a ball come into the screen.
Corrected entry: At one point in the second game, as Lefty gets set to pitch, we see he's facing a left-handed hitter in the batter's box. Lefty delivers, and the batter swings - from the right-hand batters box.
Factual error: At the beginning of the film, in the shots of the players in action being voiced over by Comiskey, Cicotte is marking the ball with his fingernail. You can see the modern logo of the sporting goods company "Rawlings" on the ball. It can be seen even more later in the film when Comiskey's assistant is turning a team-autographed ball over in his hands. Rawlings did not start making official major league baseballs until 1976, and even if they had made them in 1919, they very likely did not have the exact same logo. (00:04:30 - 01:28:55)
Chick Gandil: You go back to Boston and turn seventy grand at the drop of a hat? I find that hard to believe.
Sport Sullivan: You say you can find seven men on the best club that ever took the field willin' to throw the World Series? I find that hard to believe.
Chick Gandil: You never played for Charlie Comiskey.
Trivia: The film is based on the real-life events of the 1919 Black Sox scandal, in which members of the Chicago White Sox were charged with "throwing" the World Series (i.e. losing on purpose). Even though many people believe he wasn't involved, "Shoeless" Joe Jackson was banned from baseball and hasn't been inducted into the Baseball Hall of Fame because of that.