Jose Mourinho rejected an offer to manage Celtic before making his return to management at Tottenham, Football Insider has learned.

The Portugese, 56, was appointed Spurs’ new boss yesterday morning following a remarkable series of events, his first managerial post in 11 months.

A Celtic source has confirmed to Football Insider that the club were one of a number who tried and failed to entice Mourinho during his spell away from the dugout.

They submitted an offer to make Mourinho the new manager earlier this year.

That came at the end of last season when the Hoops hierarchy had still not decided to make Neil Lennon’s interim appointment a permanent one.

Celtic investigated other possibilities, including what would have been the sensational capture of Mourinho.

But the London-based coach, one of the biggest names in football, rejected the chance to head north of the border.

He has spoken warmly of the incredible atmosphere generated at Parkhead but felt Celtic did not offer enough of a challenge.

It was not the only major European club he turned down after being sacked by Manchester United last December, with Inter Milan and Benfica among other posts he rejected.

Lennon was eventually appointed permanent manager for the second time after steering Celtic to the Scottish Cup trophy and sealing their third consecutive treble.

The Northern Irishman has taken the Hoops to the top of the table after an impressive start to the season that has also seen them reach the Scottish League Cup final and be well placed to secure a place in the Europa League knockout stages.

In other Celtic news, it can be REVEALED that the club are in the hunt to sign 6ft 4in giant from English club.