Scottish Premiership champions Celtic are looking at a number of targets, including West Brom winger Oliver Burke and PSG forward Timothy Weah.
Rangers are level on points with Celtic in the Scottish Premiership.
Barnes managed Celtic during the 1999-2000 season.
Steven Gerrard's Rangers side are expected to push Brendan Rodgers' Celtic all the way this season.
Liverpool legend John Barnes believes Roberto Firmino is two players in one and even more important than Mohamed Salah for Jurgen Klopp's side.
John Barnes does not think that Liverpool will sell Loris Karius in the summer transfer window.
Glasgow Rangers are reportedly on the verge of bringing Steven Gerrard to Ibrox this summer.
Would Ibrox club Glasgow Rangers be making a mistake with Steven Gerrard like Celtic did with John Barnes back in 1999?
For Mohamed Salah to match the Liverpool goal-scoring record of the likes of Ian Rush, he would have to maintain his current level for the next decade.
Celtic forward Moussa Dembele helped Brendan Rodgers' side to a victory over Zenit St. Petersburg last night.
We take a look back at the best Liverpool players of the nineties.
After Liverpool and Leeds United were drawn together in the last eight of the EFL Cup we reminisce on three memorable clashes between the two clubs from the last 25 years.
It goes down as one of the more famous England wins with former Liverpool and Watford star John Barnes stealing the show.