Didier Drogba is set to become the centre of a Champions League storm as Schalke prepare to complain to UEFA over the striker's eligibility to play in the competition, according to Daily Mail.

The Ivory Coast forward made his first Champions League appearance for Galatasaray on Wednesday since he completed his loan move to the Turkish club from Shanghai Shenhua in the January transfer window. Galatasaray were held to a 1-1 home draw by Schalke.

And it was Drogba's first Champions League appearance since his penalty won the trophy for Chelsea against Bayern Munich in last year's final.

But Schalke are now weighing up a decision to complain over the decision to grant Drogba eligibility for the tournament, although the German club did not go into detail regarding their grievance.

A club statement read: "There are doubts about the validity of the permission to play for Drogba in the Champions League. Schalke 04 reserves its rights and is looking into this."

Drogba moved to Galatasaray on an 18-month loan deal last month - just six months after quitting Chelsea for China.

Drogba, along with fellow January signing Wesley Sneijder, were signed to boost the Turkish club's Champions League's hopes. The team already sits top of the Turkish Super Lig, six points clear of rivals Fenerbahce.

The complaint reportedly concerns Shanghai's unhappiness with the terms of Drogba's move to Turkey. Shenhua officials have claimed in the past that the Ivorian remains under contract with the Chinese club, which would rule him ineligible to compete for Galatasaray.

The Chinese side said they were "deeply shocked" earlier this month when the loan deal for Drogba was announced, and it seems Schalke are ready to investigate these claims by submitting a formal appeal to UEFA.

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