After the big fight, when Stoker is in the locker room, he opens his locker and takes out his clothes and shoes. In two subsequent shots his shoes are back in the locker, and then in a fourth shot he removes his shoes from the locker a second time.
When Stoker is laying on the dressing room table after the fight, the position of Gus's "Love" magazine, located above Stoker's head, changes from the medium shot to the closeup.
When Julie Thompson takes her walk from the gymnasium, she watches Pacific Electric interurban cars as they enter a subway tunnel. Car No. 707 is shown passing twice in a row.
When the fighters are about to be introduced, Red has his hands on his hips. However, in the next cut during the introduction of Stoker, his right hand is rubbing Stoker's back, and his left hand is in his pocket.
When Tiny uses a wall poster to strike a match, he leaves a scratch over Stoker's name on the poster. However, a few minutes later, there is a closeup of the poster, and the scratch line is more pronounced and longer. At first, the line ended at the S in Stoker's last name; later, it is well past it.