Alexis Sanchez has had a below average career so far at Manchester United after making a move from Arsenal in January this year, and that has suffered a further setback after the Chilean sustained a hamstring injury in training on Thursday, the club confirmed on their official website.

The injury to Chilean forward, who was left out of the squad for Tuesday’s Champions League victory over Young Boys, “will require further investigation to confirm its severity”, the club added.

Sanchez is the highest paid premier league player, earning over 400,000 pounds per week but has failed to impress so far, mostly coming off from the bench due to the high-flying form of Anthony Martial, who at the moment is scoring goals for fun.

The 29-year-old started the game against Juventus in the Champions League, but did not contribute much, he last scored in Manchester United’s 3-2 win over Newcastle United.

Sanchez was one of the best players in the league at his time in Arsenal but has failed to emulate his goalscoring heroics under Jose Mourinho at Manchester United as fans grow increasingly impatient with his performances.