Liverpool last faced a Premier League defeat at Anfield in April 2017.
Ronaldo and Morata helped Juventus beat Napoli 2-0 to take the trophy.
The La Liga champions were humiliated by third-division team Alcoyano, 2-1.
A string of infections detected by Australian authorities have forced 72 players to be confined to their hotel rooms 24 hours a day for two weeks.
There has been no news of an offer for a contract extension for Messi at Barcelona so far.
The Brazilian forward has been one of the favourite subjects of many football critics over the years.
The highly-anticipated match between the two clubs ended in a goalless draw on Sunday.
Messi is facing a ban of at least four games including La Liga and Copa del Rey matches.
Andy Murray also tested positive and was unable to fly to Australia along with the other participants.
FC Barcelona will be facing Athletic Club in the final on Sunday.
It is not looking likely that Murray will recover in time to make it to Australia and complete a 14-day quarantine.
Leclerc tested positive shortly after McLaren driver Lando Norris, who was also in Dubai.
United have won seven league games on their travels this term, while Liverpool -- ravaged by defensive injuries and suddenly short of goals -- have gone three league matches without a victory.
Details of Messi's current contract have been revealed.
Liverpool now stands three points adrift of the leaders.
The former Barcelona striker believes in having a good succession plan for the club.
The first NBA game to be postponed this season due to Covid-19 issues was on December 23 between Oklahoma City at Houston.
Transfermarkt values Messi at only 80 million euros.
The team will attempt to fly directly to Malaga for their next match after being unable to return to Madrid due to the adverse weather conditions.
It was not immediately clear what had been said, but six men were seen being removed from their seats.