Photo: Instagram/Nikola Jokić After the Denver Nuggets' thrilling win against the Los Angeles Lakers on Monday, attention turned to an off-court incident involving Nikola Jokić 's brother. According to TMZ, the NBA is looking into a video that shows Jokić's older brother, Strahinja, apparently punching a fan in the stands after the Nuggets' 101-99 victory. Witnesses say the confrontation started when Nuggets' Jamal Murray made a last-second shot over Lakers' Anthony Davis . Photo: Instagram/Nikola Jokić In the video, Strahinja is seen confronting a fan before throwing a punch. His brother Nemanja stands behind him, while Jokić's wife Natalija, holding their daughter, tries to calm the situation down. The reason for the altercation is still unclear, but the Jokić brothers are known for their strong support for Nikola, a two-time NBA MVP. Nikola Jokic's older brother Strahinja threw a punch at a fan following the Nuggets' 20-point comeback win vs. t...