goals in 15 games. He was named to the week 15 Team of the Week for his goal against Atlanta United in Chicago's 2–0 home win alongside Fire players Bastian Schweinsteiger, David Accam, and João Meira. He was named MLS Player of the Month for May for his six goals and one assist during the Fire's undefeated run during the stretch. A week after Fire teammate David Accam was named player of the week for week 17 for his hat-trick against Orlando City SC, Nikolić earned the same honor on 3 July for his brace against the Vancouver Whitecaps. It was the second time he won the award (the first time in week 7 as noted above). After week 18 Nikolić continued to lead the MLS Golden Boot race with 16 goals in 18 matches. Alongside Bastian Schweinsteiger Nikolić was named to the "2017 MLS All-Star Fan XI". Nikolic finished the 2017 season as the Golden Boot winner with 24 goals and 4 assists. 2018 season Nikolić finished the 2018 season as the Fire's top scorer, finishing seventh in scoring league-wide, with 15 goals and 2 assists. Fehérvár In February 2020, Nikolić left the Fire on the expiry of his contract and returned to Hungary and former club Videoton now known as Fehérvár. Nikolić was given the number 71 shirt upon his return. International career On 11 October 2013, Nikolić debuted in the Hungary national team against the Netherlands in an 8–1 defeat at the Amsterdam Arena in the 2014 FIFA World Cup qualification. On 14 October 2013, Nikolić scored his first goal in the national team against Andorra in the 51st minute. His second goal was recorded as an own goal by Lima. On 18 November 2014, Nikolić scored against Russia in a 2–1 defeat in a friendly match at the Groupama Arena, Budapest, Hungary. Nikolić was called up to Hungary's squad for UEFA Euro 2016. On 18 June 2016, he played in a 1–1 draw against Iceland at the Stade Vélodrome, Marseille in which his run and far post drive was re-directed in by Iceland for the last minute equalizer. On 3 May 2018, Nikolić announced his retirement from the national team. But this situation has been changed when he agreed with Marco Rossi on his return. On 1 June 2021, Nikolić was included in the final 26-man squad to represent Hungary at the rescheduled UEFA Euro 2020