The Reds welcome Walter Mazzarri’s side to Merseyside as they look to preserve their excellent run of form, having gone 11 games unbeaten in all competitions.
After last weekend’s 4-2 victory away to Crystal Palace, Liverpool will be confident of securing another three points.
Lucas’ inclusion comes after Lovren pulled out of Croatia duty for the November international break.
Ahead of Sunday’s clash, Firmino spoke of his partnership with his compatriot, Coutinho, saying “we think the same way.”
The No. 11 netted the final goal at Selhurst Park, with Firmino and Coutinho scoring 10 goals and laying on nine assists between them this season.
Mazzarri has named former Reds striker Jerome Sinclair on his substitutes’ bench, after the 20-year-old made the switch to Vicarage Road on the expiry of his contract in the summer.
Liverpool: Karius; Clyne, Matip, Lucas, Milner; Henderson, Lallana, Can; Mane, Coutinho, Firmino
Substitutes: Mignolet, Klavan, Moreno, Wijnaldum, Ejaria, Origi, Sturridge
Watford: Gomes; Janmaat, Kaboul, Britos, Holebas; Amrabat, Behrami, Capoue, Pereyra; Deeney, Ighalo
Substitutes: Pantilimon, Mariappa, Kabasele, Zuniga, Watson, Guedioura, Sinclair
Odds & TV Info
Liverpool are the resounding favourites to get the better of their opponents, with Klopp’s men 3/10 to leave Anfield with a win.