Chiwetel Ejiofor's character (Mike Terry) receives a knife wound to the left arm during a bar fight. Later in the movie while training shirtless, there is no wound marks on either of his arms.
When Chet and Mike are sitting down talking on the set, Mike's red drinking cup changes position without him picking it up.
When Mike is on Chet's set during the knife demonstration, the knife fighters shirt first appears to be clean. When the camera shot changes it becomes sweaty in the front and back, and when the camera changes again it appears to be clean.
When Ricardo comes out from behind the curtain the red band on his belt is on the right side. Then when the camera changes it's on the left side.
In the program opened by Emily Mortimer's character in the tournament, a freeze frame reveals that the bios for the fighters are simply a continuous block of text referring to a fighter named "David," and the text is repeated on the left and right sides of the program.
"Blink and you'll miss it: If it's "easily missed" or you have to "view the scene frame-by-frame" then it's not a goof."
"Blink and you'll miss it: If it's "easily missed" or you have to "view the scene frame-by-frame" then it's not a goof."