Jon Flanagan and Jose Enrique, both of whom have yet to make an appearance for the senior team this season due to injury, played in a behind-closed-doors friendly for the Liverpool Under-21s.
Jon Flanagan underwent surgery on his troubled knee, keeping the young full back out of action for six months or more.
Jon Flanagan has been ruled out of Liverpool's opener against Southampton, joining a list of names which includes Adam Lallana, Lazar Markovic and Daniel Agger.
Jon Flanagan will miss his second match of the week with a hamstring injury.
Liverpool starlet, Jon Flanagan, is a doubt for the trip to Manchester City with a tight hamstring. Flanagan played through the issue against Cardiff City and could be asked to do the same on Boxing Day.
Liverpool boss, Brendan Rodgers, has praised defender Jon Flanagan after the youngster's debut goal against Spurs. "So I've said to him, 'just play every game as if you haven't cracked it, go out and be the best you can be', and that's what he's done."