West Ham United striker Andy Carroll has piled the praise onto midfielder Alex Song.
Sammy Ameobi has been impressing for Newcastle United this season.
Virgil van Dijk has been linked with Premier League giants Arsenal and Tottenham Hotspur, and ex-Celtic forward Andy Walker expects him to leave soon.
There was plenty to ponder, in particular for manager Brendan Rodgers, as Liverpool crashed out of the Champions League after failing to beat Basel at Anfield.
Tottenham Hotspur manager Mauricio Pochettino has commented on the difficulties that come with the club's busy fixture list.
Crucial in Paris Saint-Germain's 3-2 win over Barcelona earlier in the competition, David Luiz will be key if Les Parisiens want to finish top of the group.
Nuri Sahin's performance for Borussia Dortmund in the Champions League on Tuesday, when compared to Joe Allen's, suggests Liverpool may rue letting him go.
Leeds United's under-21 side fought back from a goal down to beat Leicester in the under-21 Premier League Cup.
Ainsley Maitland-Niles made his debut for Arsenal against Galatasaray.
Celtic assistant manager John Collins says that Liverpool playing in the Europa League will make the competition better.