The managers are set to rekindle their rivalry ahead of Tuesday night’s Capital One Cup fourth round tie with Premier League leaders Arsenal hosting rivals Chelsea at the Emirates
The Gunners have won nine of their last ten games at home in the competition but Wenger is yet to beat a side managed by Mourinho – who won back-to-back Premier League titles in his first spell at Stamford Bridge.
During that period the Frenchman endured a competitive relationship with the Portuguese manager but insists that is no longer the case, and is happy to see the ‘Special’ return after spells at Inter and Real Madrid.
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“When he left Madrid, it looked to be one of his best opportunities to come back.
“What the Premier League wants first is the quality of the games and his teams give you always a tough game. That is what you want."
Despite previous disagreements, Wenger is happy to be reunited against Mourinho and insists the pair have moved on.
“With all competitors there are ups and downs," he added. "You could see that again yesterday between [Manuel] Pellegrini and Mourinho, because we put our whole heart into every single game.
"Sometimes we go overboard and that is part of the job. With the distance after, it always settles."
Both mangers are set to rotate with Chelsea playing their second game in three days and Wenger using the competition to give his youngsters first-team opportunities.