He helped his current club to a dramatic 2-1 victory over his former employers, with United digging deep to withstand Juve pressure and head back to England with all three points.
Pogba opted not to celebrate a late winner as a mark of respect to his old club, with the World Cup winner admitting to having experienced mixed emotions in familiar surroundings.
He told Sky Sport Italia: “The win was important, but the Juve fans gave me such a warm welcome.
“I didn’t celebrate when we went 2-1 up, it felt too strange. I saw so many people that I know well. We played against a great team and we really had to win tonight.”
Inevitably, given his strong ties to Juve and recent rumours regarding a possible transfer to Italy, Pogba was quizzed on his future after downing the Bianconeri.
He is aware of the speculation, after seeing his relationship with Jose Mourinho and ongoing presence at Old Trafford called into question, and has hinted that a deal could be done at some stage.
Pogba added: “Who knows? I’m with United now. There is so much talk about this, but am happy to be playing for Manchester United.
“It was wonderful coming back here, although it felt weird going into the away locker room. I was so accustomed to the Juve one.
“The reaction of the fans really moved me, as I missed them and Italian football. It was great to be back in this stadium, where I started out and won big trophies.”
Pogba first linked up with Juve in 2012 after running down his contract at United.
He spent four successful years with the Serie A giants, savouring title glory and Coppa Italia triumphs, but headed back to England as part of an £89 million ($117m) deal in 2016.