Killian Hayes is a French-American professional basketball player for the Brooklyn Nets in the NBA.
Killian Hayes was born on July 27, 2001, in Lakeland, Florida.
Killian Hayes began his journey with Espoirs Cholet in the French under-21 league in 2016.
Killian Hayes shared MVP honors with Addison Patterson at the April 2017 Jordan Brand Classic International Game.
At the age of 16, Killian Hayes made his debut for Cholet's senior team in a game against Nanterre 92 in the LNB Pro A on October 21, 2017.
Killian Hayes led France to victory at the 2017 FIBA U16 European Championship, earning the tournament's Most Valuable Player award.
Killian Hayes was named the Most Valuable Player at the 2017 FIBA U16 European Championship in Podgorica, Montenegro.
Killian Hayes participated in the prestigious Basketball Without Borders camp during the NBA All-Star Weekend in Los Angeles in February 2018.
Killian Hayes concluded his Pro A season with a notable performance on May 15, 2018, contributing 12 points and six assists to a win against Le Mans.
After recovering from back and toe injuries, Killian Hayes returned to action on September 22, 2018, scoring 12 points in a game against Strasbourg.
Killian Hayes helped France secure a silver medal at the 2018 FIBA Under-17 World Cup.
Killian Hayes was part of the French team that secured a silver medal at the 2018 FIBA Under-17 Basketball World Cup in Argentina. His performance earned him a spot on the tournament's All-Star Five.
On May 30, 2019, Killian Hayes achieved a season-high of 17 points, along with five rebounds and five steals, in a match against Élan Chalon.
In July 2019, the French Federation of Basketball imposed a six-game suspension on Killian Hayes for his absence from the 2019 FIBA U20 European Championship in Tel Aviv, Israel.
Killian Hayes signed a three-year contract with Ratiopharm Ulm on August 2, 2019, marking his entry into the Basketball Bundesliga and the EuroCup.
In 2019, Killian Hayes moved to Germany to play for ratiopharm Ulm in the Basketball Bundesliga.
In February 2020, sports writer Sam Vecenie published an analysis of Killian Hayes's basketball skills, highlighting his exceptional vision and passing ability as a point guard. Vecenie praised Hayes's unique left-handed playmaking skills, particularly his ability to make difficult passes off the dribble. However, he also noted areas for improvement, such as his three-point shooting consistency and occasional turnovers.
Killian Hayes officially joined the Detroit Pistons after signing his rookie scale contract on December 1, 2020.
Killian Hayes declared for the 2020 NBA Draft on March 27, 2020.
Killian Hayes suffered a hip injury during a game against the Milwaukee Bucks on January 4, 2021, which was later diagnosed as a labral tear, sidelining him for a significant portion of the season.
Killian Hayes achieved a career-high of 12 assists in a game against the Charlotte Hornets on February 11, 2022.
Killian Hayes was waived by the Detroit Pistons on February 8, 2024.
Killian Hayes signed with the Brooklyn Nets on September 20, 2024.