We have two very different Champions League semi-finals this week, with Arsenal versus Paris St-Germain very balanced in stats compared to the extremes of Barcelona against Inter Milan. The Gunners and PSG rarely rank as the best or worst in either attack or defence out of the four remaining teams in the competition.

Luis Enrique claims Paris Saint-Germain are a better team now than when they lost to Arsenal in October, and his team want to make history this season.Photo by Julian Finney/Getty ImagesTo a casual

Arsenal hosts Paris Saint-Germain on Tuesday in the semifinals of the UEFA Champions League. Here is what you need to know before the kickoff of the first leg.