Barcelona and Atletico Madrid were also among a slew of top-flight clubs joining La Liga in expressing their condolences for Francis.
Flick said it was one of those comebacks that nobody forgets easily, adding it was not easy to win after Borja Iglesias netted a hat-trick to give Celta a 3-1 lead.
Mbappe will miss Madrid's next La Liga match against Athletic Bilbao on Sunday, as Ancelotti's side try to overhaul leaders Barcelona.
Julian Alvarez, who coolly slotted home two penalties on the night, now boasts 26 goals in all competitions—14 in La Liga. But according to his coach, there’s still room to grow.
It was his first red card after joining the Spanish and European champions last summer.
Barcelona extended their advantage in the Spanish top flight with a 1-0 win at Leganes on Saturday, completing a 12-match unbeaten run and moving seven points clear of second-placed Real Madrid.
Second-placed champions Madrid face Alaves on Sunday and have to play catch-up after Hansi Flick's side scraped their way to a narrow but vital win on the road.
LaLiga side Real Valladolid said they will discipline two of their players after they almost came to blows on their bench during Sunday's 4-0 home loss against Getafe.
The final stretch of this Spanish football season promises drama, tension, and perhaps a few surprises. One thing is certain: La Liga is set for a thrilling conclusion.
Diego Simeone's red-hot Atletico are one of the most in-form teams in Europe on an 11-game winning streak in all competitions and looking like a well-oiled machine with Antoine Griezmann, Julian Alvarez and Rodrigo de Paul firing on all cylinders.
La Liga leaders Barcelona stumbled 1-0 at home against Leganes on Sunday as they suffered another blow in the Spanish title race.
Diego Simeone's side have been in fine form and continued their winning run across all competitions with a deserved home triumph, pulling provisionally level with league leaders Barcelona.
Real missed the chance to move above leaders Barcelona in LaLiga as they stay second on 37 points from 17 matches, one behind the Catalans who host Leganes on Sunday when Atletico, in third place on 35 from 16 games, welcome Getafe.
The 23-year-old was forced off with a muscle injury in their 4-0 thrashing of Osasuna at the Bernabeu earlier in November
"We changed the position of the forwards, with Mbappe outside and he did well, like Vinicius inside," said Ancelotti.
Raphinha and Robert Lewandowski's goals put the Catalans in a healthy position but Marc Casado's red card in the 82nd minute helped Celta start the fightback to snatch a point.
Barcelona coach Hansi Flick said Friday he would ask his players if they can win without injured teenage winger Lamine Yamal.
Lewandowski's early disallowed strike led to furious debate over whether the Polish forward had been offside or not.
Hammered by Barcelona in a league Clasico and then outplayed by AC Milan in the Champions League, Carlo Ancelotti's side badly needed this confidence-boosting victory.
