1:04 Eric Dier admits it is ‘impossible’ to ignore talk of Gareth Bale’s return
It is not a formation that is alien to the club’s supporters, of course. Mauricio Pochettino switched to a back three during the 2016/17 season after enjoying success with 4-2-3-1.
He used it to give his side an extra man at the back – notably using it against Watford’s two-striker system – while encouraging Kyle Walker and Danny Rose to attack as wing-backs.
Many of the Spurs squad remain from those days so the formation would not be new to them – but it would be a major departure for Mourinho from his tried and trusted methods.
He is a coach who has enjoyed so much success over the past two decades that it would be understandable for him to be reluctant to embrace a formation different to the one with which he has won two Champions League finals and no fewer than seven domestic league titles.
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And yet, it now seems the natural step for his Tottenham team to make a similar tactical tweak to the one adopted by Arsenal, of all teams, under Mikel Arteta. “I think Mikel has found a way for them to play and to be stable and to improve,” said Mourinho recently.
Tottenham are in search of that same stability and improvement. If the signings of Bale and Reguilon help them to find it with their own switch to 3-4-3 it would be an evolution for the team – and their celebrated coach.
Sourse: skysports.com