Premier League rivals Everton and Manchester United will face each other in the FA Cup this weekend.
The 18-year-old American forward broke into the Under-21 setup midway through the season after joining the club last summer.
Klopp insists he will have no hesitations in changing round his Liverpool side if he feels it necessary.
Paul Merson says he does not mind Tottenham winning as it could help Arsenal out long term, and has a negative prediction for Leicester City.
David Moyes has history with both Celtic and Everton.
Hull City and Leeds United will face each other in the Championship on Saturday.
John Barnes backs Tottenham Hotspur to repeat their performance against Stoke City and win against West Bromwich Albion in the Premier League.
The former Toffee says he hopes Duncan Ferguson and Tony Hibbert are having stern words.
Francesco Guidolin has impressed since his arrival at Swansea in January.
Tottenham cut Leicester City's lead at the top of the table to five points with their emphatic 4-0 win over Stoke City on Monday.