[9] The club's first goal was scored by former Pima Community College and Salpointe Catholic High School player Fernando Gauna after entering the match as a substitute.

[17][18] In May 2013 FC Tucson notched back-to-back victories over professional clubs to reach the third round of the 2013 Lamar Hunt U.S. Open Cup.

In the tournament's first round Tucson defeated Phoenix FC of the USL Pro 2–1 on an injury-time game winner scored by Connor Bevans.

[39] Tucson claimed its second-straight Mountain Division title in 2015 with a record of 8–2–4 in regular-season Premier Development League play.

[41][42][43] In a July 4 home rematch against Albuquerque Tucson won 2–0 to claim the 2015 Southwestern Showdown rivalry series and retain possession of the Golden Rattler trophy.

[44] Tucson's regular season concluded with four straight wins: at home against Real Colorado and against the Sol, and on the road against the Southwest Division's Fresno Fuego and OC Blues U23.

[48] After beating the previously-undefeated Kitsap Pumas 4–1 in the semis, the home side lost in the conference championship for the second-straight year, this time to the Seattle Sounders FC U-23 by a score of 2–1.

As part of the transfer in ownership, FC Tucson also announced a self-relegation back to USL League Two for the 2023 season.

Similar in appearance to the traditional soccer shield, the badge is instead shaped like an arrowhead in homage to Tucson's pre-Columbian history.

[7][69] The stadium's construction was part of a larger package of soccer facilities improvements to the Kino Sports Complex approved by Pima County's Board of Supervisors in April 2012.

The club earning the most league points over all regular-season meetings is awarded "The Golden Rattler" trophy to hold for the following year.

[73] For the final match of the series in both 2014 and 2015, the club wore red jerseys, white shorts, and blue socks in celebration of the 4th of July holiday.

[75] In that year the Sol claimed La Copa with a sweep of the Mobsters, despite ultimately finishing second to Tucson in head-to-head competition by virtue of goal difference.