Can had an extended summer break after starring in the Germany national team side that reached the Euro 2016 semi-finals.
The 22-year-old midfielder travelled to Turkey to meet friends and family in Aydin before heading off to the US west coast where he has been letting off steam in Las Vegas and Los Angeles.
Can has been training with the squad for the past week and is expected to either start or get some playing time tonight.
Liverpool Squad for Roma Match
Goalkeepers: Simon Mignolet, Alex Manninger, Shamal George
Defenders: Nathaniel Clyne, Ragnar Klavan, Dejan Lovren, Alberto Moreno, Andre Wisdom
Midfielders: James Milner, Jordan Henderson, Emre Can, Adam Lallana, Geroginio Wijnaldum, Philippe Coutinho, Trent Arnold, Cameron Brannagan, Connor Randall, Kevin Stewart
Forwards: Daniel Sturridge, Divock Origi, Roberto Firmino, Sadio Mane, Danny Ings, Lazar Markovic, Sheji Ono
Goalkeepers: Allison, Bogdan Lobont, Lorenzo Crisanto, Andrea Romagnoli
Defenders: Kosta Manolas, Juan Jesus, Emerson, Vasilis Torosidis, Norbet Gyomber, Riccardo Marchizza, Moustapha Seck
Midfielders: Daniele de Rossi, Radja Nainggolan, Alessandro Florenzi, Kevin Strootman, Leandro Paredes, Gerson, William Vaniquer, Lorenzo di Livio, Christian D’Urso
Forwards: Edin Dzeko, Stephan El Shaarawy, Francesco Totti, Mohamed Salah, Juan Iturbe, Diego Perotti, Edoardo Soleri, Federico Ricci