The Portuguese has spent the last 22 years of his career coaching at club level, beginning with a spell as assistant at Porto and culminating in his current job at Old Trafford.
Pochettino accused Mourinho of putting Dier "in a compromising position" but, speaking at a news conference ahead of Saturday's game, he insisted the affair had long since been put to bed.More news: Gene therapy for advanced lymphoma gets FDA approval
"To play well against a very, very good team feels even better".
Mourinho added: "I don't speak about injured players so don't ask me about Harry Kane, because I have to speak about Rojo, Ibrahimovic, Pogba, Carrick".
"I'm anxious about Fellaini and not about Luke Shaw because Fellaini finishes his contract and Luke Shaw doesn't", Mourinho said. "And I think he really wants me to play under him again", Shaw wrote. I'd take Pochettino. I think he's done a fantastic job at Tottenham.More news: Poster: Superstar Rajinikanth aka Chitti is in love with Amy Jackson
Another consideration for United is the imminent return of Marcos Rojo from injury, with the Argentina worldwide defender also preferred by Mourinho, pushing Shaw further down the left-back pecking order. After the victory over Swansea City FC, Herrera said that what happened was just in the heat of the moment and the team has forgotten.
The 27-year-old had established himself as one of the finest full-backs in the English top-flight over recent seasons, with his stellar showings before his injury last season having led to heavy links with Manchester United.More news: India's North Korea ties could be 'conduit for communications': Rex Tillerson
He, along with little-used former England full-back Luke Shaw, is out of contract at the end of the season.