2017 (D.C. United): Canouse provided United with defensive stability in the center of midfield after he arrived in D.C. on Aug. 9, 2017. The Lancaster native started 10 matches for United, playing 90 minutes in eight of the appearances. Canouse made his MLS debut on Aug. 19 against Colorado, providing the team with two interceptions, three tackles, while creating two chances. In Week 25, Canouse was named to MLS Team of the Week after helping the Black-and-Red earn a shutout win over New England on Aug. 26. Canouse recorded his first career MLS assist against the New York Red Bulls on Sept. 27 by providing the final pass for Patrick Mullins’ 70th-minute goal.
2016 (Vfl Bochum): Canouse was put on loan in 2016 to 2. Bundesliga side Vfl Bochum, where he made 20 appearances, scoring one goal. Before the loan, Canouse made 51 appearances for TSG 1899 Hoffenheim's reserve side.
Canouse played at the CONCACAF U-20 Championship in Jamaica in 2015, captaining the side in the final four matches. He was named to Tab Ramos’ U-20 roster for the World Cup in New Zealand, but had to be replaced after suffering an injury.
Acquired from TSG 1899 Hoffenheim on a permanent transfer and signed to a multi-year deal on Aug. 8, 2017.