Mark Alexander McKenzie (born February 25, 1999) is a center-back for Belgian Pro League club Genk and the United States national team.
McKenzie served in the United States Development Corps, where he was assigned to under-15 and under-16 camps. McKenzie was called up to the United States under-18s for the Slovakia Cup in 2017. He made seven appearances for the squad in 2017. McKenzie was named to the US Development Academy Eastern Conference under-18s’ Conference Best XI in 2016–17.
McKenzie was selected for the 2018 CONCACAF U-20 Championship by the United States under-20 team. McKenzie scored three goals in the qualifying group stages and captained the team in a 7–0 win over Suriname. McKenzie was selected captain of the under-20 squad. McKenzie was called up for his first senior call-up for a friendly against Panama on December 20, 2018.
McKenzie earned his first senior cap for the national team as a substitute in a friendly match against Costa Rica on February 1, 2020. In September 2021, McKenzie made his World Cup qualifying debut, starting in a 1–4 comeback triumph over Honduras.
Supporters’ Shield: 2020
Belgian Cup: 2020–21
United States U20
CONCACAF U-20 Championship: 2018
CONCACAF Nations League: 2019–20
CONCACAF Under-20 Championship Best XI: 2018
MLS is Back Tournament Best XI: 2020
MLS Best XI: 2020