The 19- calendar year - previous, who has represented his nation at Less than -21 stage and was named in their thirty - guy provisional Earth Cup squad, right away joined Jose Mourinho's squad for pre- year education.
Pasalics move to Stamford Bridge was understood to have been agreed past year and the offer has now been confirmed.
"I am quite content because I am now a Chelsea player," he explained to the club's formal web page. "I am really amazed by the coaching floor and I ought to thank all people at Hajduk.
"This is now a new begin in my profession.I am a central midfielder, my favorite player is Frank Lampardand so I am very satisfied to be a Chelsea participant."
The German-born youngster manufactured a promising commence to senior football for the duration of the 2013/ 14 year, scoring 11 moments in 36 appearances in all competitions and assisting his aspect to 3rd position in the Croatian league.
Pasalic is Chelsea's 3rd signing of the window subsequent the transfers of Cesc Fabregas from Barcelona and Diego Costa from Atletico Madrid, despite the fact that he may be loaned out in order to achieve further initially crew expertise.
Wallace and Bertrand Traore have by now produced short-term moves to Vitesse Arnhem his summer time, even though Tomas Kalas has been loaned to Cologne and Thorgan Hazard to Borussia Monchengladbach.
Chelsea begin their 2014/ 15 campaign absent at Burnley on Saturday August sixteen.