Justina Gabrielle Gaynor is an American professional football player who plays as a defender for Chicago Stars FC of the National Women's Soccer League (NWSL). She played college football for the Butler Bulldogs and the Michigan State Spartans.
She is the sister of fellow football player Celia Gaynor, and they played together in college.
She earned the Big Ten Midfielder of the Year award and was named to the All-Big Ten first team three times.
In her junior year, she helped lead Michigan State to an undefeated Big Ten regular season and their first outright conference title.
She signed her first professional contract with Chicago Stars FC in March 2025 after a preseason trial.
She played both football and basketball in high school.
She earned a bachelor's degree in Kinesiology and a master's in Sport Coaching, Leadership, and Administration at Michigan State University.
She has a dog named Linus.
| MSU Federal Credit Union |
| Year | Club | AP | GL |
|---|---|---|---|
|
2025
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present
|
Chicago Stars | 2 | 0 |
|
2021
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2024
|
Michigan State Spartans | 83 | 17 |
|
2020
-
2021
|
Butler Bulldogs | 12 | 2 |
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