When the team stages the botched hit to fool Erik, Michael pretends to get shot. The camera switches between front and rear views of his "dying" moments, and the number of bullet wounds changes between 3 and 4 multiple times.
During the meeting with Eric Luna Sam states that the car he sold to Michael (a Lotus) could only have come from one of two factories in Italy. Lotus cars are manufactured in England.
When Sam is having a conversation with Erik about the men trying to kill him, he says the car that was sold to Michael could have only come from one of two factories in Italy. Michael told Erik he was sold a Lotus, which would have been manufactured in England.
Sam says "el cruz" to mean "the cross." In Spanish, "cruz" is a feminine noun, so he should say "la cruz."