Saul Niguez has revealed the make-or-break promise Thomas Tuchel gave to him that made his mind up on joining Chelsea on loan from Atletico Madrid on Transfer Deadline Day. Saul Niguez has revealed the promise Thomas Tuchel gave to him that ensured he made the Transfer Deadline Day move to Chelsea. Saul was confirmed as a very late arrival from Atletico Madrid last night, joining the Blues on a season-long loan for a fee of £3.4million. There's also an option in the deal to buy the 26-year-old for £30m next summer - despite his release clause standing at £128m. It's a tidy piece of business by Chelsea who were vying with Manchester United for his signature. It appears the Londoners beat their northern counterparts because of a guarantee from Tuchel about where the Spain international would play. Saul Niguez playing for Atletico Madrid A "very important" promise allowed Saul to make the move to Chelsea RELATED ARTICLES chelsea saul niguez Saul Niguez Chelsea shirt numb...