Pep Guardiola pranks Jack Grealish and five other things spotted on first day of Man City's pre-season tour

On Sunday Manchester City's players took to the training pitch for the first time on their pre-season tour of the United States.

The 26-man Blues squad is currently based at Houston Dynamo's training complex in Houston, ahead of a friendly against Mexican outfit Club America on Thursday. City will then fly up to Wisconsin for a meeting with Bayern Munich at Green Bay's Lambeau Field on Saturday.

City were put through their paces on day one, as temperatures in the southern US city hit the upper 30s. The players still looked to be enjoying themselves though, with Pep Guardiola even pulling off a little prank of his own. Here's what we spotted on the first day.

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In Erling Haaland, Guardiola now has the striker he has been craving, and if Sunday's session was anything to go by then the 21-year-old is going to have no problem finding the back of the net for City.

The £51m man finished off a handful of crosses during one of the drills, and was even treated to a chorus of "Haaland, Haaland!" by a few of the staff and players that saw him plant a bullet header past Ederson.

During his unveiling last week Haaland said that he scores goals when he's having fun - so far so good then.

His arrival may have been somewhat overshadowed by the signing of Haaland, but Argentine striker Julian Alvarez looked every bit as clinical in-front of goal as his new teammate.

The 22-year-old showed great aerial accuracy by guiding a header past Ederson - perhaps surprising given his small stature - as well as drinking a clever effort over the goalkeeper after his initial shot had been spilled.

With Haaland and Alvarez in attack this season, opposition defences are going to have