Marcel Sabitzer's agent is not ruling out a permanent move to Manchester United for the on-loan Bayern midfielder.
Sabitzer joined Manchester United on loan in January and has made an instant impact at the English Premier League side.
In an interview with Sport1, Wittmann refuses to rule out a permanent switch to Manchester United, saying the league is a great fit for his client.
"Marcel is a top player. It doesn't surprise me at all that he's performing so well so quickly. If you have as much experience as Marcel, whether in the Champions League or with his more than 60 international matches, it doesn't take long to find your way around a club and a league like this," Wittmann said.
"He loves this English hardness. It was clear from the start that the Premier League was a great fit for him. He's an aggressive player. He does exactly what he can there. And that's what's needed there.
"At Manchester United, we see Marcel from Leipzig again. I'm very happy for him. What's next in the summer? We'll see when the time comes."