A busy week of UEFA Champions League football gets underway tonight with Arsenal at home to PSG, Premier League champions Man City are away to Slovan Bratislava, Barcelona host Young Boys, AC Milan travel to Bayern Leverkusen, Scottish champions Celtic visit Borussia Dortmund and Inter entertain Red Star Belgrade.
Pep Guardiola will be demanding nothing less than a win from his players following a disappointing draw against at home against Inter Milan in their opening match.
Arsenal take French champions PSG who have reached the semi-final stage of the competition three times in the last five years.
Young Boys last away win in European competition came in 1960. The Swiss club are unlikely to get anything from their tie against a Barcelona side sitting on top of La Liga.
Bayern Leverkusen and AC Milan meet for the first time in European competition tonight.
Celtic manager Brendan Rogers says his side are ready and relaxed for their game against Borussia Dortmund with the Scottish club on the back of a run of nine straight victories this season, including a 5-1 demolition of Slovan Bratislava in their Champions League opener in Glasgow.
