 Days later Long helped the club to a 5–1 victory over Swope Park Rangers in the 2016 USL Cup Final.On November 1, 2016 Long was named as the 2016 USL Defender of the Year after leading a defense that conceded the fewest goals in the league during the regular season.On September 2, 2017, Long scored his first goal with New York Red Bulls in a 2–2 draw at FC Dallas.