He later played with Coastal WFC, with whom he won a USL Super Y-League North American championship title,[1] before joining the Whitecaps FC Academy in 2009.

[11] In July 2013, he went on loan with German side FC Augsburg II in the fourth tier Regionalliga Bayern, while also training with the first team.

[12] In 26 appearances, he scored 8 goals, before returning to Canada in May to undergo surgery to repair a ruptured quadriceps muscle at the end of May the following year.

[22] On September 16, he scored a hat trick against the Calgary Dinos,[23] which earned him U Sports Athlete of the Week honours.

[31] He was a part of the Canada U20 team for the 2013 CONCACAF U-20 Championship, where he scored two goals in a 5-1 victory over Nicaragua U20 on February 22.

[32] On November 12, 2013 earned his first call-up for the Canada national men's soccer team as a replacement for Iain Hume ahead of friendlies against Czech Republic and Slovenia.

[33][34] Clarke made his senior debut on November 15 against in a 2-0 away defeat to Czech Republic as a second half sub for Dwayne De Rosario.