Three ways Chelsea must improve after disastrous pre-season… but it’s clear to see Enzo Maresca has plan in place

CHELSEA’S pre-season tour of America has been underwhelming to say the least.

Fans were dismayed at the decision to leave academy graduate Trevoh Chalobah behind to train in Surrey.

Enzo Maresca is struggling to get his ideas across to his playersGetty ReutersChelsea starlet Tyrique George takes on the Wrexham defence – with senior stars like Trevoh Chalobah left at home[/caption]

And subsequent performances have been very disappointing under new manager Enzo Maresca.