New York began their 2019 season with a perfect 7–0 record in Stage 1, giving them the top seed in the Atlantic Division for the Stage 1 playoffs; however, the team lost 1–3 to the Seoul Dynasty quarterfinals. NYXL posted a 5–2 record for Stage 2 and claimed the fifth seed for the Stage 2 Playoffs, but they lost in the semifinals to the Vancouver Titans by a score of 1–4. Another perfect 7–0 record in Stage 3 gave New York the top seed in the Stage 3 playoffs; however, team failed to claim the stage title, as they fell 1–3 to the Shanghai Dragons in the quarterfinals. Following a 3–1 victory over the Paris Eternal on August 2, the Excelsior clinched the second seed – and the top seed in the Atlantic Division – in the 2019 playoffs. The team finished the regular season with a 22–6 record. NYXL opened their playoffs with a 4–1 win over the London Spitfire on September 6. For their next match, they took down the Atlanta Reign, 4–2, and advanced to the winners' finals, where they faced the Vancouver Titans. A 3–4 loss to the Titans dropped New York to the lower bracket of the tournament. The Excelsior's playoff run ended in the lower bracket finals, as they were defeated by the San Francisco Shock, 0–4.
