The Brazilian duo are in action against Uruguay on Friday night, with their World Cup qualifying kicking off at 1.30am.
Jurgen Klopp’s side, meanwhile, face the Hornets at 12:30 p.m. and face the task of having the pair in the starting XI to face Claudio Ranieri’s side.
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Providing an honest assessment of the situation, Fabinho admitted he couldn’t see himself or Alisson in the game due to the speed of execution required to participate.
“I think this game against Watford will be very difficult for us, I don’t think we will play. Neither Alisson nor myself, ”he told Sky Sports.
“The game against Uruguay will take place on Friday night here (in the UK) and the game against Watford will take place at half past twelve.
“With all that that entails, including travel, I don’t know how much time we’ll have between one game and the next. “
After facing Watford this weekend, Liverpool will face Atletico Madrid in the Champions League on Tuesday night.
With that game in mind, the Reds midfielder added that the club are considering sending Alisson and Fabinho directly to Spain instead of entering a 10-day quarantine period in England before the game.
“I think we won’t play,” Fabinho said.
“We will also have to quarantine ourselves, but the club are still studying whether it is better to go directly to Spain to play Atletico and quarantine there, without staying in a hotel in England. “
Although the British government removed Brazil from its red list for travel on Monday, Alisson and Fabinho have been involved in recent encounters against Colombia and Venezuela.
Both countries remain on the red list and therefore restrictions remain in place for those returning to the UK.
Footballers serving a 10-day quarantine period are allowed to leave solitary confinement once a day to train or play.