The 17:30 BST kick-off at Old Trafford pits the Reds against the reigning FIFA World Club Cup champions, with everybody determined to put last weekend's loss at Manchester City behind us.
The good news is both Mason Mount and Matheus Cunha are available to return, after missing the derby due to injury.
Diogo Dalot is still sidelined, after sustaining a problem while on international duty with Portugal, and Lisandro Martinez is continuing with his recovery from a knee operation, sustained last season.
"Dalot is out," Amorim told reporters at Carrington, during his pre-match press conference. "Mason is in the squad.