Following a government edict aimed at combating the newest outbreak, stadium capacities have been cut from 75% to 50%.
Earlier this summer, Cristiano Ronaldo made a sensational return to Manchester United from Italian giants Juventus.
Chelsea conceded a 94th minute equalizer at Krestovsky stadium to settle for a 3-3 draw against Zenit and surrender top spot in Champions League Group H on Wednesday.
Juventus defeated Genoa 2-0 in the Serie A fixture in Turin on Sunday..
Cristiano Ronaldo has scored 800 goals in his career during Manchester United's win against Arsenal in the Premier League.
Juventus beat Salernitana 2-0 in the Serie A fixture at Stadio Arechi on Tuesday.
The 21-year-old got his name on the scoresheet in an emphatic 4-0 win over the Italians at Stamford Bridge.
The Blues secured a place in the Champions League last-16 and took control of the battle for the top spot in Group H.
Manchester City full-back Cancelo set up both first-half goals in Saturday's Manchester derby in the Premier League.
Juventus edged past Fiorentina 1-0 in the Serie A fixture in Turin on Saturday courtesy of Juan Cuadrado's stoppage time goal.