Bundesliga expert and former Liverpool midfielder Dietmar Hamann has sent Manchester United a warning over their deadline day pursuit of Bayern Munich's Marcel Sabitzer.
United have agreed personal terms with Sabitzer, as per Fabrizio Romano, and remain in talks with Bayern over what is set to be a loan deal between the two clubs.
Erik ten Hag's side have had to act quickly following the injury to Christian Eriksen, with the loan signings of Jack Butland and Wout Weghorst previously believed to be the sole pieces of business that United would do in January.
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But plans have clearly changed, with United approaching the 28-year-old Austria midfielder as they attempt to complete a last-minute deal.
Hamann predicts that Sabitzer will be a valuable addition to the United squad if a deal is completed to bring him to Old Trafford, but has sent the club a warning.
Hamann on Sabitzer
Speaking to Sky Sports on deadline day, the one-time Champions League winner said: "He came to Bayern Munich 18 months and he hasn't really contributed in Bayern Munich, hence they are looking for a club to maybe offload him.
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"He's a very energetic player, he's got a good engine, he can nick a goal. I think his best position is probably a bit further forward, I don't think he is a defensive or holding midfielder.
"I'm pretty surprised that Manchester United and Chelsea are interested, because I'm not sure he'll help them straight away. I think he's a good squad player to have. Whether he makes an immediate impact, I'm not too sure.
"He's certainly not a player to replace Christian Eriksen. I think he's a box-to-box [midfielder] who has got a good engine. He's versatile - he's played at full-back at times.
"I think he would be a very good player for Man Utd to have."
Topics: Manchester United, Bayern Munich, Premier League, Transfers