Justin Trusty: A Professional Football Journey from MLS to Europe
Justin Trusty has carved out a diverse professional career, transitioning from the American soccer system to the highly competitive leagues of England and Scotland. Known for his resilience and versatility as a defender, Trusty's path is a testament to the growth of homegrown players—athletes developed within a club's own youth academy—in Major League Soccer (MLS).
Early Career and the Philadelphia Union
Trusty's professional journey began in 2016 when he signed an amateur contract with Bethlehem Steel, the reserve affiliate of the Philadelphia Union. This specific arrangement allowed him to gain professional experience in the United Soccer League (USL) while maintaining his eligibility to play college soccer with the North Carolina Tar Heels. He made his debut for the Steel on April 10, 2016, and went on to feature in 44 games over two seasons.
On August 10, 2016, Trusty made a pivotal career decision by signing a homegrown player deal with the Philadelphia Union, choosing to forgo his college career. Although he signed in 2016, his first-team debut did not occur until the season opener against the New England Revolution on March 3, 2018.
Trusty quickly became a mainstay in the Union's defense, playing every minute of his debut season as the team finished sixth in the Eastern Conference. He recorded his first professional goal on September 15 against the Montreal Impact. His momentum continued into 2019, though his streak was interrupted by a red card during a match against the LA Galaxy on April 13.
Transition to the Colorado Rapids
On November 20, 2019, Trusty was traded to the Colorado Rapids. The deal included up to $750,000 in allocation money—funds used by MLS teams to acquire players—based on performance thresholds, as well as a percentage of a future transfer. Trusty debuted for the Rapids on July 17, 2020, during the MLS is Back Tournament in a match against Sporting Kansas City.
His impact in Colorado was significant enough to earn him a contract extension on December 16, 2020, which secured his tenure with the club through the 2023 season.
The Move to England: Arsenal and Birmingham City
Trusty's talent attracted international attention, leading to a transfer to Premier League giants Arsenal on January 31, 2022. To ensure continued playing time, he remained on loan with the Colorado Rapids until July 17, 2022.
Upon returning to Arsenal, he was immediately loaned to Birmingham City in the EFL Championship for the 2022–23 season. Trusty made an immediate impact in English football, debuting on July 30, 2022, against Luton Town. A highlight of his tenure came on October 8, when he scored twice in a 3–0 victory over Bristol City.
Despite a setback where an own goal led to Birmingham's FA Cup elimination, Trusty redeemed himself with a stoppage-time winner against Swansea City. By February 10, he had played every single minute of the league season. He finished the campaign with 44 appearances and four goals, earning the title of Player of the Season from the club's supporters.
Premier League and the Move to Celtic
On August 3, 2023, Trusty joined the newly promoted Sheffield United. He made his Premier League debut on September 16 in a match against Tottenham Hotspur and later scored his first goal for the club on August 13, 2024, during an EFL Cup tie against Wrexham.
On August 30, 2024, Trusty moved to the Scottish Premiership, signing a five-year contract with Celtic. This move reunited him with international teammate Cameron Carter-Vickers. Trusty debuted in the UEFA Champions League against Slovan Bratislava on September 18 and scored his first goal for the "Bhoys" (Celtic's nickname) on January 4, 2025, in a 3–0 win over St Mirren.
His time at Celtic has been marked by both triumph and injury. In August 2025, he suffered a torn plantar fascia—a thick band of tissue on the sole of the foot—which sidelined him for several weeks. After a period of limited playing time under manager Brendan Rodgers, Trusty returned to the starting lineup under interim manager Martin O'Neill, featuring in a 4–0 win over Falkirk and earning man of the match honors in a Scottish League Cup semi-final against Rangers on November 2.
Trusty continued to show his value in European competition, scoring in a 2–2 draw with Bologna in the Europa League on January 22, 2026. However, the early part of 2026 also saw him receive two red cards: one against Hearts for a professional foul and another against Hibernian on February 22.
Key Facts
- Homegrown Success: Started as a homegrown player with the Philadelphia Union.
- English Impact: Voted Player of the Season by Birmingham City supporters during the 2022–23 season.
- European Experience: Has competed in the UEFA Champions League and Europa League with Celtic.
- Durability: Played every minute of his first full season with the Philadelphia Union and every league minute for Birmingham City up to February 2023.
- Transfer Value: His move to Colorado included up to $750,000 in allocation money.
| Club | League/Competition | Key Milestone |
|---|---|---|
| Bethlehem Steel | USL | Professional debut (2016) |
| Philadelphia Union | MLS | First professional goal (2018) |
| Colorado Rapids | MLS | Contract extension through 2023 |
| Birmingham City | EFL Championship | Player of the Season (2022–23) |
| Sheffield United | Premier League | Premier League debut (2023) |
| Celtic | Scottish Premiership | Champions League debut (2024) |
Frequently Asked Questions
When did Justin Trusty make his professional debut?
Justin Trusty made his professional debut on April 10, 2016, playing for Bethlehem Steel against New York Red Bulls II.
Which club voted Trusty as their Player of the Season?
The supporters of Birmingham City voted Trusty as the Player of the Season following his 2022–23 campaign.
What injury sidelined Trusty during his time at Celtic?
Trusty suffered a torn plantar fascia in August 2025, which left him struggling to walk and ruled him out of action for several weeks.
How did Trusty move from the Philadelphia Union to the Colorado Rapids?
He was traded on November 20, 2019, in exchange for a percentage of a future transfer and up to $750,000 in allocation money, including performance-based thresholds.
Who is Trusty's international teammate at Celtic?
Justin Trusty plays alongside fellow centre back Cameron Carter-Vickers at Celtic.