United are trailing Europe's best clubs – Mourinho

Jose Mourinho admitted a gap remains to the continent’s elite ahead of Manchester United’s Champions League return.

Europa League glory brought a much-needed return to European football’s top table, with last season just the second time in 22 years that the Red Devils had missed out.

Mourinho believes the Champions League is the “natural habitat” of the three-time European champions, who kick-off Group A against Basle at Old Trafford on Tuesday evening.

It will be United’s first match in the competition for 644 days and appears a great opportunity to hit the ground running, although the Portuguese knows quite a challenge