The 19-year-old picked up an injury upon his arrival at Old Trafford to limit his impact at Manchester United.
"Yes, even the numbers, the stats that for me are not fundamental but sometimes they give us, they support our feelings, they support our ideas", said Mourinho, whose job is reportedly under threat from Tottenham's Mauricio Pochettino. They raised the level of their intensity in spite of the fact we don't have many with that intensity. The spirit and fight is there and we will get there.
Interestingly, the 13-time Premier League champions snubbed an opportunity to sign Alderweireld last summer, claiming they were not ready at the time.
'As a team we need to develop every single game. The Italian side is travelling to Russian Federation to play bottom-placed BSC Young Boys.
United are looking to win all three of their away games in the group stages for the first time since 2010-11.
"No one is bigger than Manchester United, but Pogba has tested that theory this season", he added.
Theresa May will not lead Conservatives into next general election
To survive the vote, May needs to get over half of the registered votes cast by the party's 315 MPs. She insisted she would stay on to "finish the job" she has set herself as Prime Minister.
Hosts Valencia could still be without star striker Rodrigo, who has been sidelined since being replaced at half-time during matchday five against Young Boys.
Red Devils manager Jose Mourinho is eager to improve on his defence line in the coming window, and believes the highly-rated centre-back, who is listed among the best defenders in Europe will play a key role in strengthening United's leaky back line.
'I get very frustrated watching him because I know he's better than what we see week in week out.
Sergio Romero starts between the sticks for United in just his second senior appearance of the season, and his first in Europe since past year. Therefore, both the defenders will have a point to prove if they get a chance to face Valencia tomorrow.
"Pogba, for example, is worth a lot in the advertising market, so much so that in just six months Manchester United had already recovered what they had invested in him". I needed to be prepared for these kind of games and I was very confident.
Two London clubs are interested in Manchester United full-backs.