Spurs, along with two other Premier League stars, are expressing interest in the former Manchester United star.
Tottenham Hotspur have announced their retained list.
The former Real Madrid and Spurs winger made the claim during a recent interview.
Fans were left confused by Tottenham's decision ahead of their final Premier League game against Man City.
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Dele Alli showed what he is all about on his first day of training at Spurs.
Kyle Walker has named the two best teammates he has ever played with including shock name.
Son's admission makes his achievements even more remarkable.
Fabrizio Romano expanded on Daniel Levy's claims about the clause.
