Sociedad sit just outside the top six in La Liga but they have suffered six defeats in their last nine league games. They had a solid League

Manchester United's season is on the line as they head to Spain to face Real Sociedad kicking off the round of 16 of the Europa League. After being knocked out of the FA Cup, winning this competition will be United's only chance at European soccer next season but also their form hasn't shown that they'll be able to turn things around to actually win Europa League.

La Real are enduring a difficult domestic season and key figures are expected to depart next summer — but they're formidable in cup ties