Arsenal vs Olympiacos: Champions League Showdown at the EmiratesArsenal return to UEFA Champions League action tonight with the visit of Olympiacos, a fixture that has grown in intrigue over the years. Arsenal look to build on early momentumMikel Arteta’s men began their Group Stage with a well-earned 2-0 victory away to Athletic Club at San Mames. This blend of seasoned European campaigners makes Olympiacos a dangerous opponent for any side in the Champions League. How to watch Arsenal vs Olympiacos liveIn the UK, the UEFA Champions League clash will be broadcast live on TNT Sports 1 and TNT Sports Ultimate, with coverage beginning at 7pm BST ahead of an 8pm kick-off. With both clubs aiming to progress deep into the competition, tonight’s encounter promises tension, quality and the kind of drama that defines UEFA Champions League nights.