The pair should come in at Old Trafford, with a decision to be made over Sadio Mane.
Joel Matip made his return from injury and could be relied upon against United, while James Milner may come in.
Alex Oxlade-Chamberlain was one of many poor showings against Burnley and should drop out – and Curtis Jones could be afford an opportunity to shine.
Liverpool predicted XI (4-3-3): Alisson; Milner, Matip, Fabinho, Robertson; Oxlade-Chamberlain, Thiago, Jones; Salah, Firmino, Mane
Injury list: DIogo Jota (knee), Virgil van Dijk (knee), Joe Gomez (knee), Naby Keita (knock), Jordan Henderson (muscular)