Atletico Madrid’s Saul Niguez has joined Chelsea on a season-long loan with an option for a permanent transfer.

The Champions League holders announced the transfer of the Spain international in the final exchanges of transfer deadline day.

“We’re delighted to welcome Saul Niguez to the club on a season-long loan! ” the club wrote on Twitter.

Multiple reports states that the Blues will pay a €5m loan fee to take Saul on loan for the season.

That move also contains an option to make the move a permanent €35m deal next summer.

Speaking on his move Saul said: “I am very excited to start this new challenge with Chelsea. Blues fans, I am one of you now and I can’t wait to wear the shirt, start training and see all of you. See you soon!”

In total, the Blues could pay the Spanish champions £34.3m for the 26-year-old midfielder.