Real Madrid boss Carlo Ancelotti has warned Manchester United that Angel di Maria used to 'lose control' whilst playing for the La Liga giants, reports Goal.com.
Ancelotti, who managed Di Maria last season, has insisted that the now Red Devils winger misplaced important passes, but was also able to take matches by storm.
Di Maria ultimately completed a huge deal to Old Trafford in the summer transfer window, and has made a decent start to life in England.
And, when speaking about his former star, Ancelotti told Onda Cero: "Di Maria could take matches by storm with his energy, but he also used to lose control sometimes, misplacing important passes,"
Ancelotti has, however, dismissed comparisons between Di Maria and James Rodriguez, insisting the duo are different types of players.
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"People should think twice before saying that James can fill Di Maria's boots, because they're very different players."
Madrid, of course, landed Rodriguez just before they sold Di Maria to Old Trafford after the Colombian's extraordinary World Cup. Rodriguez has enjoyed his opening couple of months at the Bernabeu and looks set to become one of the world's top players over the coming years.
Manchester United fans, meanwhile, have seen glimpses of Di Maria's best form since his summer move to England's elite division. The Argentine superstar enjoyed a great start at the club as he produced the goods, creating and scoring goals for the side.
Of late, though, Di Maria has struggled to make a huge impact on proceedings and was even substituted with 20 minutes remaining against Crystal Palace this past weekend. Against Palace, the Argentine failed to make a real impact on the left-hand side, rarely troubling the opposition back-line.
With Di Maria set to take to the field against the likes of Croatia and Portugal on international duty over the coming week, Manchester United fans will be hoping that he starts to find his best form again.
United will certainly be hoping that he's ready for the club's next fixture, as Louis van Gaal's side travel to north London to take on rivals Arsenal in the Premier League on November 22.