Tebas said it was his "goal" to ensure that there were no more editions of the expanded month-long, 32-team version of the tournament.

It's impossible, it's terribly hot. My toes were sore, my toenails were hurting, I couldn't stop and start. … It's unbelievable."

Bayern Munich and Paris Saint-Germain, two of the best clubs in the world, are showing their early dominance at the tournament. Meanwhile, some non-European squads, such as Brazilian club Palmeiras and Botafogo, are putting up strong performances to open the group stage.

Just over two weeks on from clinching the Champions League, Luis Enrique's treble-winning team made light work of Atleti, who were reduced to 10 men late on, in their opening Group B match