Union Saint Gilloise is one of those football stories that sounds almost too good to be true. A club from Brussels that once ruled Belgian football, then vanished into the lower leagues for decades, before storming back to the very top. If you love an underdog tale, this one is hard to beat.
- Quick Club Info at a Glance
- Who Are Union Saint Gilloise?
- The Early Days and Golden Era
- The Legendary 60-Match Unbeaten Run
- The Long, Painful Decline
- The Tony Bloom Takeover in 2018
- Back in the Belgian Pro League After 48 Years
- The Fairytale 2021–22 Season
- The 2022–23 Europa League Adventure
- Belgian Cup Glory in 2023–24
- Ending a 90-Year Drought: The 2024–25 Title
- The Champions League Debut in 2025–26
- The Joseph Marien Stadium
- Club Culture and the Supporters
- The Rivalries That Fire Fans Up
- Why Union Saint Gilloise Matters Today
Here’s the thing — most casual fans hadn’t heard of this club until a few years ago. Now they’re playing in the Champions League. Let’s walk through how that happened.
Quick Club Info at a Glance
| Detail | Information |
|---|---|
| Full name | Royale Union Saint-Gilloise |
| Founded | 1 November 1897 |
| Stadium | Joseph Marien Stadium |
| Nicknames | Les Unionistes, The Old Lady, Union 60, The Apaches |
| Owner | Alex Muzio |
| Head coach | David Hubert |
| Colors | Blue and yellow |
| League | Belgian Pro League |
Who Are Union Saint Gilloise?
Union Saint Gilloise, often shortened to Union SG, USG or RUSG, is a professional football club based in Forest, part of the Brussels area. The club was actually founded in the neighbouring district of Saint-Gilles back in 1897.
To be honest, they’re one of the most fascinating clubs in Belgian football history. They’ve seen the highest highs and some pretty rough lows too.
The Early Days and Golden Era
The club started in 1897 and didn’t waste much time making a name for itself. Union won its first Belgian championship in 1904, just a few years after forming.
What’s interesting is how quickly they became a powerhouse. Between 1904 and 1935, Union claimed eleven national titles. That was a Belgian record at the time.
The Legendary 60-Match Unbeaten Run
This is the stat that still gets talked about today. From 1933 to 1935, Union Saint Gilloise went 60 league matches without a single defeat.
Sixty games. Unbeaten. That record still stands in Belgium, and no club has come close to breaking it. It’s where the nickname “Union 60” comes from.
The Long, Painful Decline
Every great story has a low point, and Union’s was a long one. After dominating before World War II, the club slowly slipped down the ladder.
By 1973, they dropped out of the top flight and stayed away for 48 years. It got worse — in 1980, they even fell as far as the fourth tier of Belgian football.
For decades, the club bounced around the lower divisions. Fans kept showing up, but the glory days felt like ancient history.
The Tony Bloom Takeover in 2018
Then came the turning point. In May 2018, British businessman Tony Bloom, who also chairs Brighton & Hove Albion, took over as majority shareholder.
Bloom is known for using data and smart analysis in football. His investment gave Union something they’d lacked for years — real ambition and proper backing.
Alex Muzio, a co-investor at the time, later became the majority owner in 2023. The project was clearly built to last.
Back in the Belgian Pro League After 48 Years
On 13 March 2021, Union sealed promotion back to the top flight. After nearly half a century away, they were finally returning to the Belgian Pro League.
Sadly, COVID restrictions meant fans couldn’t celebrate at the stadium. Still, the wait was over, and something special was brewing.
The Fairytale 2021–22 Season
Nobody expected what came next. In their first season back, Union Saint Gilloise finished top of the regular-season table.
Think about that for a second. A newly promoted side, top of the league — that had never happened before in Belgian football history.
They went top in October and stayed there for 200 straight days. The play-offs eventually saw them pipped by Club Brugge, but they finished as runners-up and qualified for European football. Not bad for a comeback season.
The 2022–23 Europa League Adventure
The European run was just as thrilling. After dropping out of the Champions League qualifiers, Union entered the Europa League and won their group.
They knocked out sides on their way to the quarter-finals, where Bayer Leverkusen finally proved too strong. Reaching the last eight of a major European competition was a huge moment for the Brussels football club.
Belgian Cup Glory in 2023–24
In May 2024, Union ended a 110-year wait by winning the Belgian Cup. They beat Royal Antwerp 1–0 in the final.
That was their first cup triumph since 1914. For a club with such deep history, lifting silverware again meant everything.
Ending a 90-Year Drought: The 2024–25 Title
Here’s the moment fans had waited generations for. In the 2024–25 season, Union Saint Gilloise won the Belgian league title.
It was their first top-flight championship in 90 years, ending one of the longest droughts in European football. They went unbeaten in the championship play-offs, and a 3–1 win over Gent on the final day sealed it.
To be honest, this was pure storybook stuff. Three near-misses since promotion, then finally the crown.
The Champions League Debut in 2025–26
The title also earned Union something they’d never experienced — a spot in the Champions League league phase.
In the 2025–26 season, they made their debut and picked up three wins from eight games. They beat PSV Eindhoven, Galatasaray and Atalanta along the way.
Domestically, they topped the regular season again and grabbed another Belgian Cup, beating Anderlecht 3–1. They finished league runners-up after a tough play-off run, but the season showed they belong among Europe’s rising clubs.
The Joseph Marien Stadium
You can’t talk about this club without mentioning its home. The Joseph Marien Stadium has been Union’s base since the 1920s.
It’s a charming, old-school ground tucked next to a park. The capacity sits around 9,400, which is small by modern standards, but that only adds to the atmosphere.
Because it doesn’t meet certain UEFA requirements, Union has had to play some European games elsewhere. Still, the stadium remains the heart and soul of the club.
Club Culture and the Supporters
What makes Union Saint Gilloise stand out isn’t just results. It’s the vibe around the club.
The fans are known for their progressive, inclusive values. Anti-fascist and anti-racist ideals are a big part of the identity here, and the unofficial motto reflects that spirit.
The ground is famous for being welcoming and family-friendly. Families, kids and die-hard ultras all mix together. The club’s ultras group, the Union Bhoys, brings the noise from the Tribune Est.
The Rivalries That Fire Fans Up
Every big club needs a rival or two, and Union has some good ones.
The Zwanze Derby with RWDM
Their main city rivalry is with RWD Molenbeek, known as the Zwanze derby. The name comes from Brussels’ local dialect and its sense of humour.
Interestingly, despite the rivalry, the two clubs have sometimes helped each other during hard financial times. That mix of rivalry and respect is pretty rare in football.
The Battle with Anderlecht
Union also shares a fierce rivalry with Anderlecht, another Brussels club. These games always carry extra tension.
After Union’s return to the top flight, they beat Anderlecht multiple times, which only added fuel to the fire. Things got even spicier when Union’s title-chasing coach later joined Anderlecht.
Why Union Saint Gilloise Matters Today
So why should you care about this club? Because Union Saint Gilloise represents everything great about football.
They fell as low as a club can go, then climbed all the way back to Europe’s top table. They’ve done it with smart ownership, a loyal fanbase and a real sense of identity.
In Belgian football history, few comeback stories match this one. From eleven early titles, through decades of decline, to Champions League nights — it’s genuinely special.
If you want to dig deeper into the club’s full timeline, squad details and complete list of honours, the detailed Royale Union Saint-Gilloise Wikipedia page is a great place to explore everything about this remarkable Brussels club.
Continue reading: Ja Morant Trade: Everything You Need to Know About the Move to Portland
