How many movies have Chad Mendes and Dustin Poirier acted in together?

They have worked on 4 movies together! Their first movie together was WEC 50: Cruz vs. Benavidez 2 (2010) while their highest rated movie together was UFC 164: Henderson vs. Pettis 2 (2013). They have not worked together since UFC Fight Night 63: Mendes vs. Lamas (2015).