Manuel Pellegrini was left sweating on extent of an injury to Samir Nasri against Newcastle United

MANCHESTER City left sweating on the extent of an injury to Samir Nasri who was stretchered off against Newcastle.

Samir Nasri was reportedly in tears as he left the field.

MANUEL Pellegrini was left sweating on the extent of an injury to Samir Nasri after a challenge by Mapou Yanga-Mbiwa which he felt should have resulted in the Newcastle United player being sent off.

Manchester City won 2-0 at St James' Park thanks to goals from Edin Dzeko and Alvaro Negredo, but Pellegrini was disappointed with the performance of referee Mike Jones.

While Newcastle were left feeling aggrieved at the decision to disallow a goal for Cheick Tiote, Pellegrini felt Jones was actually harsh on City throughout the game.

Nasri had to be stretchered off after a tackle by Yanga-Mbiwa, for which he only received a yellow card, and Pellegrini fears his player suffered a "serious" medial ligament injury.

"The kick he made to Nasri was absolutely a red card directly," Pellegrini told Sky Sports.

"We did not have any help from the referee today. He didn't give a goal because it was absolutely off-side, that is the only clear thing about which Newcastle can complain - but it was off-side."

Manchester City's Samir Nasri, obscured from view, is carried from the pitch after a challenge by Newcastle United's Mapou Yanga-Mbiwa during their English Premier League soccer match at St James' Park, Newcastle, England, Sunday, Jan. 12, 2014. (AP Photo/Scott Heppell)

"Nasri has I think a serious injury to his knee, we will see tomorrow. I repeat it was a direct red card.

"It's his medial ligament. We will see tomorrow what has happened with him."

Pellegrini exchanged words with an angry Alan Pardew on the touchline, and explained: "He was complaining about all the decisions of the referee.

"Every time you whistle a foul he complained. I don't think that's the way to do it."

Pellegrini insisted after, however, that he had no issues with his Newcastle counterpart, saying: "Nothing, nothing. No problem."

Tiote's goal was ruled out because Yoan Gouffran was standing in an off-side position and the referee felt he was interfering with play.

Pressed for his take on the incident, which angered Pardew and all the Newcastle fans, Pellegrini responded: "Of course it was absolutely off-side."

Read more: http://www1.skysports.com/football/news/11679/9113410/manchester-city-boss-manuel-pellegrini-fears-serious-samir-nasri-injury-after-win-at-newcastle