OK so this isn't distinguishable by stats or facts; instead we'll have to go with gut feeling on this one.
There's no denying that Ronaldo has achieved great things for Real Madrid and is capable of reaching giddy heights, but for sheer shock and awe, we're giving this one to Zlatan.
After all, who else could pull of a 30-yard overhead kick, break the 100kph mark with a strike in the Champions League while constantly referring to himself in the third person?
"Only Zlatan," said Zlatan. Probably.