Youngsters Tomas Kalas and Patrick van Aanholt have today completed their loan deals returning them to Dutch club Vitesse Arnhem for the duration of the 2012/13 campaign.

Both players were temporarily with the Eredivisie side last term. Czech Under 21 international Kalas 19, made 37 appearances over the course of the season, scoring once while Dutchman Van Aanholt, 21, played 11 games having also spent time with Wigan Athletic during late 2011.

Before departing for Holland, Kalas also signed a contract extension with Chelsea committing him to the club until the summer of 2017.