Marc Guiu 'a bit unhappy' despite hat-trick heroics for Chelsea as Enzo Maresca hails Blues…

Chelsea boss Enzo Maresca admits Marc Guiu is a "bit unhappy" despite scoring a hat-trick in his side's 5-1 win over Shamrock Rovers.

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* Chelsea thrash Shamrock Rovers

* Guiu scores hat-trick in 5-1 win

* Maresca says striker a "bit unhappy"