With Pogba, United tend to be more assertive and against a Watford side who could be got at, it's imperative that the visitors go with the right attitude from minute one to avoid a repeat of last season.
United are back in action on Wednesday night, with Mourinho's men travelling to Watford.
"The work and attitude as a team. we don't change anything whether we play at home or away", he said.
Following back to back home wins, Manchester United will make the trip to Vicarage Road to face an in-form Watford at a really crucial phase of the season.
A year on, a third straight away defeat for Mourinho's men could severely undermine any hope of sustaining a challenge to their runaway city rivals for the title.
Manchester United are undefeated in 34 of their last 38 matches (Premier League).
Mourinho's charges, on the other hand - although still second in the Premier League - were less convincing in their most recent match, a 1-0 victory over Brighton at Old Trafford.
Watford has lost twice at home in the league this season, Manchester City beating it 6-0 and Stoke City inflicting a 1-0 defeat.
Pep Guardiola's City have dropped just two points in 13 matches this season, scoring a sensational 42 goals in the process. They can not afford to lose any more ground at least until they face the league-leaders themselves at home in two weeks' time.
Marco Silva and Jose Mourinho's sides have both won their last two Premier League outings, making for an interesting encounter.
Richarlison has been on fire for Watford with five goals and three assistsWhat is the team news?
The last Watford goalkeeper to keep a clean sheet against United was Tony Coton during a 1-0 victory for the Hornets in September 1986.
Romelu Lukaku could make his 200th Premier League appearance in this match - he now has 93 goals.
Lukaku scored seven goals in his first seven Premier League games for Manchester United, converting 23% of his shots.
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