Barcelona takes on Olympiacos at the Estadi Olímpic Lluís Companys on Tuesday, Oct. 21. Kickoff is set for 6:45 p.m. CET local time in Spain, making it a 12:45 p.m. ET or 9:45 a.m. PT start in the US, a 5:45 p.m. BST kickoff in the UK, and a 3:45 a.m. AEDT start in Australia on Wednesday.

Atletico's past performances in the Champions League suggest they are no longer the sort of team who can grit and grind with Arsenal, who will back themselves to hold onto any lead in what could be a tempestuous match. Pick: Arsenal 1, Atletico Madrid 0

Arsenal will face Atletico Madrid in the league stage Matchday 3 of the 2025/2026 UEFA Champions League. Check out the kickoff times and details on how to watch the match live on TV or stream it online in the United States.

Barcelona host Greek side Olympiacos today, Tuesday, October 21, for Matchday 3 of the UEFA Champions League league phase at the Estadi Olímpic Lluís Companys.

The expectation will be for Chelsea to win with ease after Ajax fell to Marseille last time out, but with Joao Pedro suspended for the match, more changes will be needed up top. Marc Guiu was recalled from loan at Sunderland when Nicolas Jackson was loaned to Bayern Munich on transfer deadline day,

Real Madrid hope to join the other European giants atop the Champions League table as they host Serie A side Juventus at the Bernabeu on Wednesday in league phase play.