Juventus forward Cristiano Ronaldo is consoled by teammate Federico Bernardeschi, right, after receiving a red card during the Champions League, group H soccer match between Valencia and Juventus, at the Mestalla stadium in Valencia, Spain, Wednesday, Sept. 19, 2018.
If UEFA finds Cristiano Ronaldo for violent conduct and decides to hand the player further ban, it would force Juventus to play without Cristiano Ronaldo against Manchester United and the player could also miss the return leg where Juventus host Manchester United in Turin.
Real next travel to CSKA Moscow on October 2, after the Russians came back from two goals down to salvage a 2-2 draw at Viktoria Plzen, with Everton loanee Nikola Vlasic scoring an injury-time penalty.
"And if that's the case, unfortunately, we won't see Ronaldo at Old Trafford".
Ronaldo rewrote the history books during his nine-year stay in the Spanish capital, ending his time at the Bernabeu as Madrid's leading all-time scorer with 450 goals in just 438 games.
After the match, Massimiliamo Allegri claimed VAR would have reversed the decision - but UEFA president Aleksander Ceferin is against the idea of introducing the technology into European competitions, despite it being used across various top leagues.
Then he got a red card in his first Champions League game for Juventus.More news: Michael Avenatti Claims to Represent Third Kavanaugh Accuser, Floats 'Gang Rape' Allegation
"We risked losing tonight with this and we'll miss him for the next games too".
"I'm concerned but I'm not pessimistic", said Roma sporting director Monchi.
"The red card? Football is insane".
They held onto their lead and emerged victorious and are now second in Group H behind Manchester United, who are ahead on goal difference after their 3-0 win over Young Boys.
Miralem Pjanic converted that penalty kick, and scored again six minutes into the second half when Murillo was penalized for a foul.
"Going down to 10 men in the Champions League for an incident like that is disappointing", Allegri said.