The midfielder serves the final match of his three-game suspension for his red card at Tottenham.
Liverpool are supporting Luis Diaz after what they have described as an “ongoing situation” involving his family.
The Associated Press news agency reported that his parents were kidnapped on Saturday.
Colombian president Gustavo Petro said on social media that his mother had been found in Barrancas but his father was still missing.
Andy Robertson will be out for three months following shoulder surgery.
Without Robertson, Konstantinos Tsimikas again starts at left-back in a mostly unchanged XI from last weekend's Merseyside derby over Everton.
Ryan Gravenberch continues alongside fellow impactful summer signings Dominik Szoboszlai and Alexis Mac Allister in midfield.
Thiago Alcantara, Stefan Bajcetic and Ben Doak are all still out.
Confirmed team news
Liverpool: Alisson, Alexander-Arnold, Konate, Van Dijk, Tsimikas, Szoboszlai, Mac Allister, Gravenberch, Salah, Nunez, Jota
Subs: Gomez, Endo, Adrian, Gakpo, Elliott, Matip, Chambers, McConnell, Kelleher
Nottingham Forest: Turner, Aina, Aurier, Boly, Niakhate, Murillo, Gibbs-White, Sangare, Mangala, Dominguez, Elanga
Subs: Tavares, Worrall, Williams, Kouyate, Awoniyi, Santos, Toffolo, Yates, Vlachodimos
Time and date: 2pm GMT on Sunday October 29, 2023