Liverpool goalkeeper Alisson Becker has been ruled out until after this month's international break after injuring his hamstring in the Champions League defeat at Galatasaray.

Liverpool slumped to a shock 1-0 Champions League defeat to Galatasaray on Tuesday as Victor Osimhen's 16th-minute penalty handed the Turkish giants victory.

German midfielder Ilkay Gundogan on Tuesday signed for Galatasaray from Manchester City on a free transfer, both teams announced.

Galatasaray have signed striker Victor Osimhen from Serie A side Napoli for 75 million euros (85.74 million dollars), the Super Lig champions announced on Thursday, making the Nigerian the most expensive incoming transfer in Turkish soccer.

Galatasaray announced on Wednesday they had started talks with Bayern Munich attacker Leroy Sane with his contract at the German champions up at the end of the season.

Switzerland's Young Boys beat Galatasaray 1-0 in the second leg of their Champions League playoff on Tuesday to qualify for the league phase of the refreshed competition following a 4-2 aggregate win.

Fenerbahce walked off the field after three minutes of the rescheduled Turkish Supercup against Galatasaray on Sunday as a protest against alleged unfair treatment.

The Turkish Super Cup final between Galatasaray and Fenerbahce scheduled to be played in Saudi Arabia's capital Riyadh on Friday was postponed over what the clubs described as "some problems" in the event's organisation.

Thirty years after Manchester United left Galatasaray with their Champions League hopes in tatters on one of the most notorious nights in the club's history, they will return to 'hell' for another do-or-die clash with the Turkish team.

Ivory Coast international Wilfried Zaha, who has signed for Turkish champions Galatasaray, has been labelled Crystal Palace's "talisman and greatest player" by the Premier League club's chairman Steve Parish.

Turkish giants Galatasaray claimed their 23rd league title on Tuesday with a 4-1 win over Ankaragucu in their penultimate match of the season, with a double from Mauro Icardi and further goals from Baris Alper Yilmaz and Sergio Oliveira.

Italian media report that Galatasaray offered Roma 16.5 million euros ($17.7 million) with add-ons of up to 13 million euros to take Zaniolo off their hands.

Istanbul giants Galatasaray says that Dutch international midfielder Wesley Sneijder is leaving the club by mutual agreement after over four seasons that saw him become a big favourite with fans.