Sail's departure was confirmed along with the exit of both centre-back Tomislav Mrcela and forward Nikola Mileusnic following the expiration of their respective contracts.
The signing confirmation is expected to come in the build-up to Wellington's Hahn Australia Cup quarter-final clash with NPL Victoria outfit Heidelberg United on Tuesday night.
A two-time Ninja A-League Premiership winner starred for Australia's Under-23 side en route to the 2025 ASEAN Women’s Championship MSIG Serenity Cup final.
Described as "one of the signings of the Ninja A-League off-season", the American arrives from USL Super League side Spokane Zephyr FC with a "glittering resume".