UWCL playoff round preview: Can Arsenal maintain winning momentum?

The inaugural UWCL playoff round begins this week, with a host of big clubs -- including Arsenal -- fighting for a spot in the quarterfinals. Here's what you need to...

By Emily Keogh · ESPN Top Headlines

The inaugural UWCL playoff round begins this week, with a host of big clubs -- including Arsenal -- fighting for a spot in the quarterfinals. Here's what you need to know about all four match-ups.