Nazar, the No. 13 pick in the 2022 NHL Draft, signed a seven-year, $46.13 million contract with the Chicago Blackhawks on Aug. 21, 2025. It had an average annual value of $6.59 million and was set to begin in the 2026-27 season.

Nazar had 26 points (12 goals, 14 assists) in 53 games of his rookie NHL season, earning praise from Blackhawks general manager Kyle Davidson for elevating his game and driving play "using his elite speed and playmaking abilities, creating problems for opponents and opportunities for teammates every night."

Additionally, Nazar was the only rookie to score on a penalty shot and one of three in the League to score a short-handed goal (Mikael Pyyhtia, Columbus Blue Jackets; Collin Graf, San Jose Sharks). He played 21 games for Rockford in the American Hockey League, where he had 24 points (11 goals, 13 assists) while earning AHL All-Star honors. He scored his first NHL goal in his League debut, a 4-2 loss to the Carolina Hurricanes on April 14, 2024.

Before turning pro, Nazar had 48 points (19G, 29A) in 54 games over two seasons with the University of Michigan, where he helped the Wolverines to a Big Ten Championship in 2023 and back-to-back NCAA Frozen Four appearances in 2023 and 2024. Internationally, Nazar had 12 points (six goals, six assists) in 10 games at the 2025 IIHF World Championship to help the United States to a gold medal for the first time in 92 years. He also helped the U.S. to a gold medal at the 2024 IIHF World Junior Championship, ranking third among all tournament skaters with eight assists in seven games.