Sentence: Gus Poyet is associated with the Real Zaragoza football club and manages AEK Athens FC. They play in the Superleague Greece alongside Olympiacos FC who are previous champions.

What data can be extracted from this sentence?
AEK Athens F.C., league, Superleague Greece; Superleague Greece, champions, Olympiacos F.C.; AEK Athens F.C., manager, Gus Poyet; Gus Poyet, club, Real Zaragoza