Mark McKenzie

Bethlehem Steel

McKenzie's performance in the academy ranks earned him call-ups to the Bethlehem Steel FC roster, the Union's USL team. He made his professional debut against New York Red Bulls II in June 2016. Over two seasons, McKenzie made eight appearances for the Steel as an amateur player.

Philadelphia Union

On January 18, 2018, McKenzie signed a homegrown player contract with Major League Soccer side Philadelphia Union. He made 20 appearances his rookie season with the Union, mostly starting alongside fellow homegrown centerback, Auston Trusty. McKenzie's appearances and performance on the backline earned him a nomination for the 2018 MLS Rookie of the Year Award. After losing his starting spot in the first team during the first half of the 2019 season, he reentered the line-up establishing himself as an initiator of attacks as a left-sided centerback. He retained his starting role through the 2020 season, earning accolades along the way. By mid-season, he made the Best XI for the MLS is Back Tournament. McKenzie's first professional goal for the Union was a long-range equalizer against D.C. United in October 2020. McKenzie finished the season with two goals and three assists from 22 matches, contributing to the Union's first trophy in the 2020 Supporters' Shield. His performances named him to the MLS Best XI and nominated for the 2020 Defender of the Year (finishing second in the voting).

Genk

On January 7, 2021, McKenzie joined Belgian…

McKenzie spent time in the US development ranks, being called into under-15 and under-16 camps. In 2017, McKenzie was called into the United States under-18s for the Slovakia Cup. He made seven appearances for the team in 2017. His performances earned him 2016–17 Conference Best XI honors for the US Development Academy Eastern Conference under-18s. McKenzie received a call-up to the United States under-20 squad to compete in the 2018 CONCACAF U-20 Championship. McKenzie scored three goals during the qualifying group stages and captained the team in a 7–0 victory against Suriname. Mark was named captain of the under-20 squad. On December 20, 2018, McKenzie received his first senior call up for a friendly against Panama. On February 1, 2020, McKenzie earned his first senior cap for the national team as a substitute in a friendly match against Costa Rica. McKenzie earned his World Cup qualifying debut in September 2021, starting in a 4–1 comeback win at Honduras. On May 26, 2026, McKenzie was selected in the 26-man squad for the 2026 FIFA World Cup.

Club

As of match played October 10, 2026

International

As of match played June 25, 2026

McKenzie is a Christian. He is married to his wife, Carley. They have one son together.