Juventus forward Cristiano Ronaldo during a training session in Turin on Tuesday. Agence France-Presse
Leading 2-1 from the first leg in Portugal, Oliveira's first-half penalty increased Porto's advantage but Juventus levelled the tie through two goals from Federico Chiesa, which came either side of Porto striker Mehdi Taremi's red card.
European football's governing body said Ronaldo was facing charges of "improper conduct" after he mimicked Diego Simeone's crotch-grabbing 'cojones' gesture in last Tuesday's 3-0 win that sent Juventus through 3-2 on aggregate.
Juventus clinched their eighth consecutive Serie A title on Saturday with a come-from-behind 2-1 win over Fiorentina.
Kolkata Knight Riders (KKR) registered a comfortable nine-wicket win over Royal Challengers Bangalore (RCB) in their first match of the UAE-leg of the Indian Premier League (IPL) at the Sheikh Zayed Stadium in Abu Dhabi on Monday.
The UAE’s Rashid Al Mulla is firmly on course for a fourth successive world aquabikes crown after recording a comprehensive overall victory at the Regione Sardegna Grand Prix of Italy.
The third round of the Sharjah Masters International Chess Championship produced some interesting results. Top 60 players representing 30 countries are taking part in the championship which carries a prize purse of $60,000.