Juve extended their undefeated run in Serie A, and reaffirmed their dominance over their peers by leaving Milan will all three points following a hard-fought tie.
It took less than 10 minutes for Juve to make their impact on the match, working the ball forward into dangerous areas while capitalising upon the space created by Ronaldo’s runs.
Cristiano Ronaldo silenced the San Siro by scoring Juventus’ second goal in the 81st minute to win the match
Mario Mandzukic planted his head onto a cross inside 10 minutes to nod home and get Juventus off the mark
The Croatian towered above Milan’s Swiss full-back Ricardo Rodríguez to win the header and send the attempt on target
Mandzukic hurried off in celebration and punched the air emphatically after getting himself on the score sheet
Juventus players quickly arrived to mob the striker after the deadlock was broken inside the San Siro
Ronaldo made his first appearance for Juventus at the San Siro, and went on to continue his goal-scoring run
An in-swinging cross to the far post set Mandzukic up perfectly for a mid-air duel with his marker Ricardo Rodríguez – of which there was only to be one winner.
The powerful striker towered above Milan’s Swiss defender, before planting his forehead firmly on the ball to send it thudding into the top corner.
Young goalkeeper Gianluigi Donnarumma and his 6ft 5in frame were rendered helpless, and could only look back as the ball rippled the back of the net.
Juve continued to press, though a resilient Milan – much more refined under the guidance of Gennaro Gattuso – weathered the storm and looked for an opening.
The former Real Madrid man had plenty of involvement in the final third, while creating opportunities for his side
Ronaldo was left furious with referee Paolo Silvio Mazzoleni after feeling several decisions should have gone his way
A late lapse in concentration however saw Milan fail to clear their lines, with Juve rapidly recycling the ball back into the penalty area.
A save was required from Donnarumma, only for the ball to fall to the feet of Ronaldo merely six yards out.
The five-times Balon d’Or winner did not need to be asked twice, lashing his foot through the ball to send it rocketing into the roof of the net.
Late drama saw tensions boil over on the pitch, as striker Gonzalo Higuain lost his cool with referee Paolo Silvio Mazzoleni after he awarded a foul against him on his former club.
Higuain was handed a yellow card, only to have it instantly upgraded to red after he unleashed a torrent of abuse in Mazzoleni’s direction.