In his third season with D.C. United, Doyle was a regular contributor off the bench and part-time starter in multiple competitions. He scored twice in two games against Chicago, in a 3-1 win on June 3 and the game-winning goal in a 1-0 win on June 24. Doyle had an assist in a 3-1 overtime win over Pittsburgh in the Lamar Hunt U.S. Open Cup, and he made four appearances (two starts) in the group stage of tvhe 2015-16 Scotiabank CONCACAF Champions League, scoring in a 2-0 win over Árabe Unido on Sept. 15 and in a 3-0 win over Montego Bay United on Aug. 25.
In his second season with the Black-and-Red, Doyle finished with 17 appearances (one start), recording 301 minutes. On Aug. 4, 2014, Doyle underwent season-ending right knee surgery after suffering an injury in training.
While representing the Black-and-Red, the striker made 14 regular season appearances (8 starts), tallied twice and assisted once. Doyle's first goal came against the Montreal Impact on 8/3, finishing a James Riley crosson a one-touch finish. His tally put D.C. United up 2-1, and his assist on Jared Jeffrey's goal secured the 3-1 win at RFK. His second goal came against the Impact as well, tying the match on 8/17 at 1-1, but Montreal found the game-winner minutes later. Doyle also made two appearances in United’s run to Open Cup glory, coming on as a substitute in both the semi final and final matches.
OTHER PROFESSIONAL EXPERIENCE
2010: After one semester at Creighton University, Doyle signed his first professional contract with Derby County (English Championship) after a trial period with the club in 2010. Doyle featured for the First Team 14 times before the end of the year.