Revealed: The clause that has kept Son Heung-min at Tottenham this summer despite doubts over long-term future as South Korea pre-season tour looms

A key player clause has reportedly played a big role in Son Heung-min staying at Tottenham this summer ahead of their South Korean pre-season tour.

Son facing uncertain Spurs futureSpecial clause keeping him at clubSouth Korean pre-season tour nears

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