How many movies have Luke Rockhold and Ronaldo Souza acted in together?

They have worked on 4 movies together! Their first movie together was Strikeforce World Grand Prix Semi-Finals: Barnett vs. Kharitonov (2011) while their highest rated movie together was UFC 194: Aldo vs. McGregor (2015). They have not worked together since UFC 194: Aldo vs. McGregor (2015).