[8] Staab made her professional debut on April 13, 2019, against Sky Blue FC, scoring a 59th-minute goal en route to a 2–0 season-opening win for the Spirit.

[13] In the NWSL Challenge Cup she converted a header off a set piece in the 77th minute against the Portland Thorns, scoring the Spirit's lone goal in the team's 1–1 tie.

[15] On April 29, 2023, Staab made her 73rd consecutive regular season start in the NWSL, breaking a record held by Amber Brooks.

[16] As of October 20, 2023, Staab has played every minute of 90 consecutive matches, completing three iron woman seasons.

[24] She started all three games, and scored the game-winning goal for the United States in the final match, ensuring a first-place result in the tournament.

[25] Staab received her first senior national team call-up in May 2024, making her debut as a 61st-minute substitute in a friendly against South Korea on June 1.