The English Football Association has asked the City boss to explain his version of events following an aggressive-looking discussion with the Saints player after the final whistle at the Etihad Stadium.
Redmond has since played down the incident, stating there was nothing aggressive or offensive in what Guardiola said to him.
Guardiola ran onto the Etihad Stadium pitch after Raheem Sterling's 96th-minute victor, punching the air with delight until referee Paul Tierney asked him to calm down but opted against sending him off. "I did it in Munich, with my old player Joshua Kimmich. I have to do that, hopefully I can improve".
"If they want to listen to me then I will do it".
Many in the English press have criticised Guardiola today, with some even suggesting he should face an FA charge. "I said to Nathan you are a good player and you have to attack". "I didn't know him last season, I realised how good he is" was what Guardiola claimed before Redmond came to his support.
And he did not want to discuss the latter on Friday, saying: "Forget me against Wenger".
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"I told him I was doing what my manager had asked me to do in the game". I said what I said and what Nathan said in his statement.
Meanwhile the City manager still insisted he meant no disrespect to Southampton or their manager Mauricio Pellegrino, his former Barcelona team-mate.
However, the matchup turned out to be far from a straightforward one for Guardiola's men, with Oriol Romeu's equaliser 15 minutes from time having thrown a spanner in the works for the Premier League table-toppers, following Kevin De Bruyne's opener in the 47th-minute.
"You know - if you are my friends, don't ask me the question, because you know I get into problems". "My emotion was there because of how I celebrated, scored the goal after 96 minutes". Guardiola said: "I have played against millions of managers and the different ways they play".