The trio – who were handed extended time off due to their participation in the World Cup - returned to Melwood to begin pre-season preparations on Friday, undergoing a series of physical tests and examinations.
And Salah, Mane and Grujic later joined their teammates in the 29-man squad that departed Manchester airport in the early hours of Saturday morning for the Reds’ tour of the United States.
They will now all take part in Liverpool’s first workout Stateside as Jürgen Klopp’s squad gear up for Sunday’s International Champions Cup tie with Borussia Dortmund.
Pedro Chirivella is set to be the only player in the Reds’ tour party to be missing from the main session.
The midfielder will have a bespoke fitness workout due to a sore back, but is expected to re-join the rest of his teammates soon.
We’ll be broadcasting Liverpool’s training session at the Bank of America Stadium live via YouTube from 9pm BST. Click here for details.