Twente
On 6 April 2009, it was confirmed that de Jong signed a contract for three years with an option for another year with FC Twente. His contract would start on 1 July 2009. He played his first minutes for FC Twente in the cup match against SC Joure where he came on as a second half substitute replacing Dario Vujičević. He provided two assists in the 8–0 victory over SC Joure. He scored his first two goals for FC Twente in the cup match against Capelle.
De Jong made his Europa League debut against FC Sheriff Tiraspol replacing Miroslav Stoch. He also played against Fenerbahçe S.K. when he came on as a substitute. He scored two goals in the cup match against Helmond Sport, Twente would go on and win the match 3–0. In the away game against FC Utrecht de Jong made his debut in the Eredivisie when he replaced Kenneth Perez in the 90th minute.
Because Blaise N'Kufo was injured, de Jong deserved a starting spot against Werder Bremen in the knockout stage (32 teams) of the Europa League. He scored his first goal in the Europa League for FC Twente in the away game against Werder Bremen. FC Twente were already 3–0 behind when de Jong headed the 3–1 past goalkeeper Christian Vander.
De Jong scored his first Eredivisie goal for FC Twente in the home game against NEC at 28 February 2010. FC Twente won this game with 2–1. He scored his second Eredivisie goal in the home game against SC Heerenveen at 10 April 2010 in injury time, the matched finished 2–0.
He was very important in the Johan Cruyff Schaal scoring the winning goal against Ajax in the eighth minute. He started the match because Marc Janko was injured. De Jong intercepted a pass from Maarten Stekelenburg to Gregory van der Wiel and then stayed calm and scored the winner in the match which ended 1–0.
Read more about this topic: Luuk De Jong, Early Career