A suave Marcos arrives with no idea of what awaits him over the course of the next few hours

Lopes makes his way out to warm-up at the Etihad Stadium with the first-team for the very first time

The Brazil-born Portuguese youth international makes his way back to the dressing room

Nicknamed "Rony" after his idol Ronaldo (the Brazilian one), Marcos joined the club in 2011 from Benfica

Roberto Mancini gives Marcos the shout with five minutes remaining and the score at 2-0

Heart aflutter, Marcos puts his shinpads on in preparation for his professional debut

Aged 17 years and 8 days, Marcos prepares for his FA Cup bow

Lopes's squad number is not one for the traditionalists

Not a bad player to replace for your first-team debut...

With one of his first touches, Marcos slams home a debut goal after reacting first to Balotelli's parried shot with an ice cool finish

Unsurprisingly, Pablo Zabaleta is first on the scene to toast City's newest hero

The coaching staff pull Marcos down from the stratosphere to offer their congratulations after the final whistle - what a day!