St. Clair joined the Loons as the selection seventh overall pick of the 2019 MLS SuperDraft from the University of Maryland. After five seasons with MNUFC, St. Clair is the club leader in wins with 32 across all competitions and has recorded the most shutouts (22). St. Clair surpassed two of Bobby Shuttleworth’s records in the 2023 season: most regular-season saves (259) and most saves across all competitions (296). He notably provided his second-ever assist, passing into the feet of Franco Fragapane to find the equalizing goal against the New England Revolution in the 93rd minute. He appeared in 30 matches, all starts, and started all five matches in the Leagues Cup tournament. The 26-year-old came up with major saves in the tournament during matches against Columbus Crew and Deportivo Toluca in penalty shootouts.Â
The Canadian international secured the starting goalkeeper position in the club’s third game of the 2022 season after a standout performance at the New York Red Bulls earned him MLS Player of the Week in Week 3. St. Clair was selected for the 2022 MLS All-Star Team and was named the 2022 MLS All-Star MVP in front of his home fans at Allianz Field.
In 2020, St. Clair began the season on loan to San Antonio FC and was recalled that September to provide depth to a goalkeeper crew struggling through injuries. St. Clair made his MLS debut and earned his first win and shutout in a 4-0 win over Real Salt Lake. A revelation, he maintained the starting goalkeeper role through the remainder of the season, earning six wins, six shutouts, and 12 goals allowed. St. Clair started all three 2020 MLS Cup Playoff games for the Loons, maintaining back-to-back clean sheets against the Colorado Rapids and Sporting Kansas City.
In 2019, St. Clair was a part of the Minnesota United draftee class that included midfielder Hassani Dotson and former Loon Chase Gasper. During his rookie season, St. Clair featured in three international friendlies during 2019, playing against Hertha Berlin, Aston Villa, and CF Pachuca. He went on loan to Minnesota’s USL affiliate, Forward Madison, where he made five appearances.
INTERNATIONAL: St. Clair accepted an invite for the Canadian senior national team camp in January 2021, and he made his senior national team debut in the World Cup Qualifiers with a 7-0 shutout win over Aruba. St. Clair was named the backup goalkeeper for the Canada Men’s National Team for the 2022 FIFA World Cup. He appeared once again for the national team during the 2023 Gold Cup Group Stage against Cuba and in the Quarter-Finals against the United States.
