TL;DR: Live stream Arsenal vs. Atlético Madrid in the Champions League for free on TRT1 . Access this free live stream from anywhere in the world with ExpressVPN . The first legs of the Champions League semi-final stage were fascinating. We got nine goals from the incredibly open PSG vs. Bayern Munich matchup, and then we had a predictably tight contest between Atlético Madrid and Arsenal at the Metropolitano Stadium. Now the action heads to the Emirates Stadium with everything on the line. We're expecting another tense battle between two extremely organized sides. This one could be decided by the slimmest of margins. If you want to watch Arsenal vs. Atlético Madrid in the Champions League for free from anywhere in the world, we have all the information you need. When is Arsenal vs. Atlético Madrid? Arsenal vs. Atlético Madrid in the Champions League kicks off at 3 p.m. ET on May 5 . This fixture takes place at the Emirates Stadium. Mashable Top Stories How to watch Arsenal vs.…