Career
Youth
Foreign college, Trapp went to the University of Akron where he started in 45 games for the team from 2011 to 2012. During his youth career Trapp was awarded with many accolades. He was also given the honor of captaining the Crew U16 and U18 sides.
Columbus Crew
On December 13, 2012 it was announced that Trapp had signed a homegrown contract with the Columbus Crew South Carolina of Major League Soccer.
On September 13, 2014, Trapp scored his first professional goal, in a 2–2 draw at Houston. On October 20, 2014, following a dominating 3–1 Columbus Crew victory over the New York Red Bulls in Red Bulletin Arena, Thierry Henry said Trapp “owned the show," telling reporters after the match, "Wil Trapp was outstanding today.
I know Higuain usually gets all the, and their striker will get cr because he scored two goals. But Wil Trapp was the key.”
Trapp has participated at the U-20 level for the United States.
Trapp was a part of the side that participated in the 2013 CONCACAF U-20 Championship, the 2013 Fédération internationale de football association U-20 World Cup, and the 2013 Toulon Tournament.
Trapp played in all 270 minutes for the United States in the U-20 World Cup and captained the side against France as the United States failed to progress out of the group-stage. Trapp made his debut for the senior national team during a January 28, 2015 friendly loss to Chile. He came on as a substitute for Mix Diskerud in the 59th minute.