Career
Early career
Born in Duluth, Georgia, Duvall played his club soccer for the Concorde Fire before joining the Wake Forest Demon Deacons in 2010. Duvall was a four-year starter for Wake Forest and played in 74 games and had one goal and 11 assists in his collegiate career. New York Red Bulls
On January 16, 2014 Duvall was selected with the 22nd pick by the New York Red Bulls of Major League Soccer in the 2014 Master of Library Science SuperDraft.
He made his debut for the team on May 17, 2014 against Toronto Football Club, coming on as a halftime substitute for Kosuke Kimura as the Red Bulls lost 2–0.
Duvall then made his first professional start the next week on May 24 against the Portland Timbers. The Red Bulls went on to lose 2–1.
After a few more impressive displays Duvall emerged as the teams starting right back appearing in 22 official matches in his rookie campaign. On June 28, 2015 Duvall scored his first goal as a professional helping New York to a 2-1 lead, in a 3-1 derby victory over New York City Football Club. However, Duvall suffered a harsh tackle in the waning moments of the match which resulted in a broken right leg, keeping him out of action for the next few months.