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The Serie A champion cruised to victory against Sampdoria in Andrea Pirlo's first game in charge last weekend but it looked badly off the pace at Stadio Olimpico against a Roma side full of verve, vigour and no little skill. 

Jordan Veretout opened the scoring early on from the penalty spot before adding a second in first-half stoppage time, just moments after Ronaldo had drawn Juve level with a spot-kick. 

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Rabiot was dismissed for a second yellow card shortly after the hour mark but, as is so often the way, Ronaldo rose highest to power home a header seven minutes later and seal a point for the Bianconeri. 

Roma started brightly and should been in front after 12 minutes but Henrikh Mkhitaryan fired straight at Wojciech Szczesny after an exhilarating run from inside his own half. 

The host did forge ahead shortly after the half-hour mark when Veretout squeezed home from the penalty spot after Rabiot had blocked the Frenchman's powerful shot with his arm. 

That woke Juve from its slumber and it pulled level shortly before the interval, Ronaldo slotting into the bottom-right corner from 12 yards after Lorenzo Pellegrini had handled the Portugal superstar's pass inside the area. 

Veretout restored Roma's advantage two minutes later, however, taking advantage of generous Juve defending to collect Mkhitaryan's pass in acres of space and slot past Szczesny.

Edin Dzeko squandered a golden opportunity to add a third shortly before the hour mark, clipping the outside of the post from 10 yards with scarcely a Juve defender in sight. 

The visitor's task was made harder in the 62nd minute when Rabiot was given his marching orders after picking up a second yellow card for a foul on Mkhitaryan. 

Juve's numerical disadvantage was of little concern to Ronaldo, though, who towered above a posse of Roma defenders to seal a point from Danilo's cross in the 69th minute.