The Philadelphia Union is a soccer team based in Chester, Pennsylvania, that competes in Major League Soccer (MLS), the first-division league in the United States. The club began play in 2009 as an expansion team. The Union have had three permanent managers, the latest of which was Jim Curtin.

Curtin is the longest-serving manager of the Union, having been in charge for 358 league and playoff matches between June 2014 and November 2024. During his tenure, the club won its first Supporters' Shield in 2020. It also finished as runners up in the 2014, 2015, and 2018 U.S. Open Cup, as well as the 2022 MLS Cup. The team's managerial position is currently vacant after the team fired Curtin.

The Philadelphia Union announced Peter Nowak to be their first head coach on May 29, 2009. He had previously been the coach of D.C. United, and resign heed his job as the senior assistant of the United States men's national soccer team to join the Union.^[1] The team began play in 2010, and Nowak led them to a 21–29–24 record across their first two and a half seasons, including a playoffs appearance in 2011. In 2012, the team started with a 2–7–2 record, and Nowak was fired on June 13.^[2] The next month, Nowak sued the Union for around $1 million for wrongful termination.^[3] This lawsuit was dismissed, and in June 2014, Nowak sued Major League Soccer and the MLS Players Union for "tortuous interference", relating to a league investigation into his training practices. This included allegations that Nowak had required players to train through injury and had denied them access to water in 80 degree weather.^[4] In 2016, new filings revealed that Nowak had spanked players, including with a sandal. The lawsuit was dismissed and Nowak was ordered to pay $400,000 in legal fees.^[5]

After Nowak's firing, John Hackworth was appointed as the interim manager.^[2] Hackworth was appointed as permanent manager on August 30 after leading the team to a 5–6–2 record.^[6] Hackworth couldn't lead the team to a playoff berth, and was eventually fired on June 10, 2014.^[7]

Assistant coach Jim Curtin took over for Hackworth after his firing.^[7] Curtin led the team to the 2014 U.S. Open Cup final in his first season, and was announced as the permanent head coach on November 7.^[8] The next season, the team reached the U.S. Open Cup final again, losing to Sporting Kansas City on penalties.^[9] The club once again reached the U.S. Open Cup final in 2018, losing to the Houston Dynamo.^[10] The club lifted its first Supporters' Shield in 2020, and Curtin was awarded Sigi Schmid Coach of the Year Award.^[11] In 2022, the club narrowly missed out on both the Supporters' Shield and the MLS Cup to LAFC, who won the former on tie-breaker and the latter in a penalty shootout.^[12] Curtin was again awarded Coach of the Year this season. On November 7, 2024, the Union fired Curtin after the team missed playoffs for the first time since 2017. The club didn't name an interim manager.^[11]

Information correct as of November 7, 2024

Match results contain all league games as well as MLS playoff matches.

List of Philadelphia Union managers

Name	Nationality	From	To	Matches[13]	Won[13]	Lost[13]	Drawn[13]	Win%[13]	Honors
Peter Nowak	Poland	May 29, 2009[1]	June 13, 2012[14]	77	21	32	24	027.27
John Hackworth	United States	June 13, 2012[14][a]	June 10, 2014[7]	73	23	30	20	031.51
Jim Curtin	United States	June 10, 2014[8][b]	November 7, 2024[11]	358	145	121	92	040.50	Supporters' Shield winners: 2020[15] MLS Cup runners up: 2022[16] U.S. Open Cup runners up: 2014,[17] 2015,[9] 2018[10]