Luis Enrique's side took the first step towards a possible treble as they wrapped up the Primera Division title with a win away to previous champions Atletico on Sunday
The soon-to-leave Liverpool hero is still interested in one day taking charge of the club and revealed he has taken notes on every successful boss he has encountered
Just over 16 months after netting four times against the San Siro side, the 20-year-old struck a sensational treble to heap more misery on Pippo Inzaghi's struggling side