Galatasaray are set to receive a major windfall if Alex Telles joins Chelsea in the summer.
The Brazilian left-back has been closely linked with a move to the London based club by The Sun newspaper over the past week.
Per the source, Telles has rejected a contract extension with Porto and is pushing for a move to Chelsea.
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Telles previously played at Galatasaray before joining Porto for just £7.5 million. The Lions did however included a sell-on fee clause on the deal.
The Lions will receive 10 percent of the transfer fee which could be in the region of £3.6 million seeing that Telles is valued at £36 million by Transfermarkt.
Telles played a total of 39 games for Galatasaray during his two-year stay at the Istanbul based club.
The attacking full-back won two Turkish Cups, a Super Cup and a Super Lig title.
The 27-year-old has racked up an impressive nine assists and two goals in 39 appearances for Porto from left-back this season.
