On December 5, 2018, Seattle was announced as one of eight cities that would join the newly reformed XFL, as well as St. Louis, Houston, Los Angeles, New York, DC, Tampa Bay, and Dallas.

[6] On October 15, 2019, The Dragons announced their first player in team history, being assigned former Memphis Express Quarterback Brandon Silvers.

The newly rechristened Sea Dragons' 2023 season saw the team earn their first playoff berth and clinch second place in the North Division with a 7–3 record.

[13] In September 2023, Axios reported that the XFL was in advanced talks with the USFL to merge the two leagues prior to the start of their 2024 seasons.

[17] On November 30, 2023, Garcia announced via her Instagram page that the leagues had received regulatory approval for the merger and were finalizing plans for a "combined season" to begin March 30, 2024.