Vitesse paid Feyenoord €1.5 million for the forward, with Feyenoord agreeing to pay the first year of his salary. On the opening game of the season, Lazović scored on his debut in a 2–1 win over Sparta Rotterdam (which he scored against them once again but a brace in a 3–0 win on 6 April 2006) and scored the following week (on 26 August 2006) in a 3–1 over AZ. Lazović scored his first hat-trick in the Dutch league in over two years in a 4–0 win over Heracles Almelo on 23 September 2006. He scored a goal and set up a goal for Anduele Pryor in a 2–2 draw but received a straight red card, just minutes before half-time, against Excelsior on 28 October 2006. Lazović was a member of the squad that beat Ajax 4–2, as he scored for himself and set up two goals for Mads Junker and Youssouf Hersi respectively. To the dismay of many Feyenoord fans, Lazović had an excellent season at Vitesse, rediscovering his scoring touch and being a serious contender for the league's golden boot for most of the season. He was also the club's top scorer. PSV Lazović attracted the attention of PSV early on, before moving to them at the end of the season for €6.6 million, signing a five-year deal. He took over the number 9 jersey from legendary forward Patrick Kluivert, who was released and joined Lille. At PSV, Lazović earned the nickname "Lazoflap" due to his moderate appearance. On the opening game of the season, Lazović scored twice on his debut in a 5–0 win over NEC. In the opening game of the UEFA Champions League group stage, he scored in a 2–1 win over CSKA Moscow. PSV's campaign in the Champions League went poor, resulting in the club going to the UEFA Cup. In the third round of UEFA Cup, he scored and set up a goal for Timmy Simons in a 2–0 win over Helsingborgs IF in the first leg. In the second leg, he scored again with the same result as in the first round. The club would progress in the UEFA Cup until meeting Italian side Fiorentina at the quarter final. At the end of the season, the club would win the title after scoring against his former club Vitesse in a 1–0 win. The following season, Lazović scored his first two goals of