Arsenal beat Paris Saint-Germain 2-0 in their heavyweight Champions League duel on Tuesday, while last season's beaten finalists Borussia Dortmund gave Celtic a brutal reality check with an emphatic 7-1 win in Germany.

American soccer fans can stream every fixture of this season's tournament via Paramount Plus, which has exclusive live English-language broadcast rights in the US for the UEFA Champions League.

Arsenal beat Paris Saint-Germain 2-0 in their heavyweight Uefa Champions League duel on Tuesday. The clash between Arsenal and French champions PSG

Arsenal’s Commanding Victory Over PSG in UEFA Champions LeagueIn a scintillating UEFA Champions League encounter, Arsenal secured a 2-0 triumph against Paris Saint-Germain at the Emirates Stadium.

Arsenal were worthy winners with Kai Havertz heading in from a Leandro Trossard cross to open the scoring on 20 minutes and Bukayo Saka doubling their lead before half-time as his free-kick delivery from the right evaded everybody on its way in.

Karim Adeyemi starred as Borussia Dortmund ran riot against Celtic while Barcelona and Manchester City claimed their first wins in the restructured Champions League on Tuesday. Adeyemi scored a first-half hat trick as Dortmund routed Celtic 7-1 at home.

Celtic endured a night to forget away to Borussia Dortmund in the Champions League as they became the first British team in 27 years to concede five goals in the first half of a European game. Brendan Rodgers' side found themselves fourth in the new league phase of the Champions League after a thumping 5-1 win over Slovan Bratislava two weeks ago.

Brendan Rodgers’ side had won their previous 17 matches and scored 33 goals this season before arriving at Signal Iduna Park.