When Mia finds Books asleep in his car and hands him a paper bag because he's 'going to hyperventilate' he puts the bag to his mouth, breaths several times and removes the bag from his mouth. However, when the shot cuts to another angle the paper bag is pressed back to his mouth without him having moved it back.
When Alec kicks Max to the cage and Normal starts talking to Max, Max steps away from the cage but when the shot cuts to another angle she has her back up against the cage in front of Normal.
When Alec KO's 'Jim the Jackal' in the ring, the video shows the ring girl ringing the bell twice though you hear three distinct rings.