The Reds have reportedly lodged an £11 million bid for the 17-year-old Borussia Dortmund and US national team attacker.
Sunderland failed to win against Southampton in the Premier League on Saturday.
Christian Benteke featured for Crystal Palace against Bournemouth in the Premier League on Saturday afternoon.
Stan Collymore says that Tottenham Hotspur should bring in players before the summer transfer window closes.
Celtic will face Old Firm rivals Rangers at Celtic Park in the Scottish Premiership after the international break.
The West Ham striker has been linked with a move to Elland Road this week.
Jamie Paterson has joined Bristol City from Nottingham Forest.
Crystal Palace are reportedly set to sign Loic Remy on loan from Chelsea.
The Nottingham Forest youngster has moved to Germany.
Newcastle are reportedly ready to make their move for Everton midfielder James McCarthy.