Alexis Sanchez’s signing felt like a game-changing acquisition for Manchester United.They had managed to lure Arsenal’s best player - a world-class 29-year-old forward at the peak of his powers - to Old Trafford midway through the season.The deal was extremely reminiscent of the 2012 transfer that saw Robin van Persie leave Arsenal for the Red Devils. If Sanchez could be half as successful as the former Gunners’ captain, United would stand a much better chance of winning silverware over the next couple of seasons.United fans couldn’t have been more excited when the Chile international’s signing was confirmed.The now famous video of Sanchez playing the piano and walking out onto the Old Trafford pitch has racked up over 150,000 retweets and been ‘liked’ over 200,000 times.However, United fans could be forgiven if they expected slightly more from their January signing over recent weeks.Sanchez has only managed to score one goal in seven appearances for United and he produced another underwhelming performance against Chelsea this afternoon.

What fans are saying about Sanchez after win v Chelsea

Although United fans are understandably buzzing about the 2-1 win over Antonio Conte’s side, they are concerned by Sanchez’s display - and are wondering how long it’ll be before we see the real Alexis Sanchez again.

Here’s what United fans have been saying about the South American after today’s match…

You can understand where they’re all coming from.

Alexis has looked a shadow of his former self at Old Trafford so far.

It's still early days

However, it is still very early days in his United career and it can take players time before they properly adjust to life under a new manager at a new club.

Man Utd fans: are you worried about Alexis Sanchez? Let us know by leaving a comment below.