Born in the Bronx, McKenzie has been capped at least once for USA in every year since his debut in 2020. He made his name in MLS with Philadelphia Union, winning the Supporters Shield at Philly before moving to Europe. Four seasons at Belgium side Genk followed before McKenzie joined French side Toulouse of Ligue 1, where he’s spent the last two years. The defender was also part of the USA squad that won the CONCACAF Nations League in 2023-24.