It's a crucial clash for both sides on the weekend as Manchester United face Norwich, and if these stats are anything to go by, Cristiano Ronaldo will be far from being the biggest threat on the pitch.
Barcelona were knocked out of the Europa League to Frankfurt last night, and Barca manager Xavi believes his side made an error when it came to ticket distribution.
The Spanish boss claimed it felt more like a "neutral final with split fans" as the two sides battled it out for a place in the semi-finals.
Going by this footage, I think he may have a point - Frankfurt had over 30,000 supporters roaring in the Camp Nou.
West Ham also enjoyed a superb evening of European football, firing three past Lyon to book themselves a spot in the final four.
Just days before the match though, Lyon's Twitter admin decided to post a rather... confident tweet.
Declan Rice didn't hesitate after the final whistle, immediately retweeting it and poking fun at them.
The official West Ham Twitter page had some fun after the match too, with this cleverly worded tweet.
I don't know about you, but I'd love nothing more than to see 31-year-old burly centre-back Craig Dawson posing with the Ballon d'Or.
Rangers also squeezed their way into the Europa League semis, and it's produced an incredible stat that shows just how much of an achievement this is for the Scottish side.
Can they go all the way this season?