The youngster has impressed so far for Liverpool in pre-season.
The Sunderland striker scored 18 goals in all competitions last season.
The 20-year-old spent last season on loan at Ibrox side Glasgow Rangers from Tottenham Hotspur, and Mark Warburton says he's a great example.
The 18-year-old is highly thought of at Leeds United.
The Leicester City star is reportedly wanted by both Everton and Arsenal this summer.
The Liverpool manager has already made seven signings so far this summer.
New Sunderland boss David Moyes looks set to raid his former club Manchester United for their young striker, but he'll have to fend off interest from Stoke City to land him.
The winger was in dazzling form for Leicester City in the International Champions Cup.
Liverpool have signed six players so far this summer.
Leeds are reportedly open to selling goalkeeper Marco Silvestri.