Treble watch continues for Paris Saint-Germain and Barcelona, both of whom have already collected their first trophies of the season and are perhaps the most formidable candidates

Real Madrid will meet Arsenal in the UEFA Champions League quarterfinal this afternoon. Here's what you need to know.

It wasn't pretty but it sure was effective, and Arsenal are headed to the UEFA Champions League semifinals for the first time since 2009 after beating Real Madrid 2-1 on Wednesday (5-1 on aggregate).