Ranking the top 10 best football clubs in Asia currently based on Opta Power Rankings
OPTA Power Rankings: Who Are the Best Football Teams in the World? Many many interesting NAMES
Best teams in the world” OPTA…Is it in the world or in the world right now? Either way, list is flawed. : r/ArsenalFC
Breaking down the best soccer leagues in the world: Premier, Serie A, LaLiga, MLS - AS USA
Introducing Power Rankings: Your Club Ranked
Where Celtic, Rangers & other Prem clubs rank in Opta power rankings list of world's top clubs as only one makes top 100
Best soccer leagues in the world according to Opta - World Soccer Talk
The Strongest Leagues in World Football
Opta Power Rankings - Bayern rank on top of all European clubs. Top 20 attached. : r/BayernMunich