FIVE THINGS WE LEARNED from Chelsea's 5-0 win over Wrexham

Mauricio Pochettino kick-started his Chelsea reign with a 5-0 win over Wrexham in front of a sell out crowd in Chapel Hill, North Carolina.

Wrexham mania took over The University of Carolina but the League Two outfit were, as expected, dominated by the Premier League giants.

It's very early days for both sides and Pochettino is definitely getting used to his new team amid the summer rebuild.

The four matches to come as part of Chelsea's pre-season US tour will also prove bigger tests.

Here, Mail Sport takes a look at five things we learned from Chelsea's pre-season opener.

Ian Maatsen, 21, is typically a left back but Pochettino has moved him higher up the pitch to left wing and in just his second appearance for the club it proved to be an inspired decision.

The youngster opened the scoring in only the third minute with a cool, slotted first-time finish and then moved in from the left flank to score his second.

He picked up the ball on the edge of the box and injected some pace and creativity to Chelsea's attack by playing a one-two with Carney Chukwuemeka.

After losing his marker he hit the return past Ben Foster first time with his left foot into the bottom corner.

He seems to suit the attacking third of the pitch, he showed that at Burnley last season. Whether he will stay at Stamford Bridge and play a role this season remains to be seen.

Just five of the starting line-up had previously turned out for Chelsea prior to Thursday morning's match as the Pochettino project continues to take shape.

There has already been a massive overhaul this summer with 13 players departing and six new faces coming in.

Wrexham and former England goalkeeper Foster had more appearances than the whole Blues starting XI combined.

Pochettino pointed out