You don’t need to chase every long shot to learn from them. The examples below show how a red card, a tired favorite, or one clean set piece can flip a match — and a market.
Defining Betting Upsets in Soccer
An upset is simple: the long price wins. In probability terms, the tail shows up on match day. Because soccer is low-scoring, a single moment can drag a 5% pre-match chance across the line.
What Makes an Underdog Victory Historic
Three ingredients define a historic upset: a clear favorite, a big price gap, and real stakes (titles, knockouts, openers vs. champions). Add context — injuries, travel, rotation, short rest — and the shock becomes part of soccer history.
How Odds Reflect Improbable Outcomes
Odds are just packaged probabilities. Books bake in ratings, form, injuries, and travel… then chaos takes its swing. One tight offside or a second yellow can turn “should win” into “how on earth did that happen?”
In American odds, underdogs are shown with a plus sign (e.g., +300, +1200). +300 means you’d profit $300 for every $100 staked (total return $400). Scale it to any stake — bet $10 at +300, and you’d profit $30 (return $40). Favorites use a minus sign (e.g., -200 means you must stake $200 to profit $100).
If you prefer decimal odds, higher numbers indicate bigger underdogs (e.g., 4.00 ≈ +300, which pays four times your stake as the total return).
Top 10 Biggest Betting Upsets in Soccer History
Here are 10 results that rewrote the history of soccer from a betting point of view. Each one paired long underdog odds with a moment of volatility that flipped the expected pattern. Use them as case studies in probability and context, not as a cue to chase every long shot.
Leicester City’s Premier League Triumph
Leicester City started 2015–16 at around 5,000-to-1 to win the Premier League. They won the title over 38 games, which made it a true anomaly, not a one-off. It remains the benchmark for an underdog story in top-flight soccer.
Greece Winning Euro 2004
Greece entered UEFA Euro 2004 at roughly 150-to-1. They beat hosts Portugal in the opener, edged France and the Czech Republic, then defeated Portugal again in the final. Greece’s Euro 2004 is a classic underdog victory built on structure and discipline, not flair.
Senegal Beating France at World Cup 2002
Defending champions France faced Senegal in the tournament opener and lost 1–0 to Papa Bouba Diop’s goal. Before kickoff, the French were roughly 3-to-1 to win the World Cup. After the 0–1 defeat, books doubled them to about 6-to-1, reflecting the immediate hit to their title probability. Senegal later reached the quarterfinals with a squad led by El Hadji Diouf, Aliou Cissé, and Tony Sylva.
USA vs. England, World Cup 1950 Shock
England were heavy favorites. The United States, with part-time players, won 1–0 on Joe Gaetjens’ goal in Belo Horizonte. It’s still cited as one of the sport’s biggest upsets. Before the match, the U.S. were listed at around 500-to-1 — a true long shot that implies roughly a 0.2% chance (decimal ≈ 501.00).
For context, 500-to-1 is the classic “lottery ticket” price — bet $1 and you’d profit $500 if it landed (total return $501). In American odds, that’s roughly +50000; in decimals, you multiply your stake by 501.00 for the total payout. The upset wasn’t just a scoreline — it flipped expectations and the market narrative overnight.
South Korea’s World Cup 2002 Run
South Korea reached the semifinals by eliminating Italy and Spain on the way. The run stood out for its intensity, fitness, and home advantage. It also drew controversy for refereeing calls, specifically in the knockout wins over Italy (R16) and Spain (QF), which fueled debate about how far the results deviated from expected outcomes.
Before the tournament, South Korea were clear outsiders — roughly 150-to-1 to win it all — sitting well behind the leading pack of Argentina, France, Italy, Brazil, and England on UK books. The true long shots (e.g., China, Saudi Arabia, Senegal, Costa Rica) were around 200-to-1. That placed Korea in the long-shot tier even as co-hosts.
Wigan Athletic vs. Manchester City, FA Cup Final 2013
Wigan Athletic F.C. were relegation-threatened, while Man City were stacked with stars. Ben Watson’s late header sealed a 1–0 win at Wembley. Pre-match prices put City as strong favorites and Wigan around +700 on the moneyline.
Cameroon’s 1990 World Cup Opening Win
Widely quoted around 500-to-1 pre-tournament, Cameroon beat defending champions Argentina 1–0 in Milan to open Italia ’90. It set the tone for a breakout African run that reached the quarterfinals with the iconic Cameroon 1990 World Cup squad led by Roger Milla.
Iceland’s Victory over England at Euro 2016
Iceland, a small-population team, beat England 2–1 in the Round of 16. England closed as clear favorites. Iceland’s win became a symbol of organization beating reputation.
Mainstream books had Iceland between roughly 7-to-1 and 8-to-1 to win in 90 minutes (examples: 29/4 at bwin ≈ 7.25-to-1; 8-to-1 quoted via AceSportsbook), while previews framed England around 11/20 to 1/2 (≈ -180 to -200) before kickoff.
Saudi Arabia Stuns Argentina at World Cup 2022
Argentina entered the match on a 36-match unbeaten streak. Saudi Arabia won 2–1 with late defensive resilience and clinical finishing. Odds before kickoff showed a massive gap, with Saudi prices between +1200 and +1900 at major books. The country even declared a national holiday after the win.
Other Iconic Matches That Defied the Odds
North Korea’s win over Italy at the 1966 World Cup still reads like a movie script. Pak Doo-ik scored the only goal in Middlesbrough as a team few expected to advance knocked out a European powerhouse 1–0, sending shockwaves through the tournament.
Another modern jolt came when Sheriff Tiraspol beat Real Madrid 2–1 at the Bernabéu in the 2021 Champions League. The debutant from Moldova, who closed around 27-to-1 (+2700) to win, toppled the 13-time European champions with an 89th-minute winner — a pure reminder of soccer’s volatility and the thin line between trend and reversal.
Lessons Bettors Can Learn from Historic Upsets
Upsets are rare, but they expose where markets misprice risk. Look past hype and measure context, motivation, and fatigue before you bet. Treat variance with respect, keep stake sizes small, and only back an underdog when the price beats your own estimated probability.
Underdogs and Value Opportunities
Underdogs don’t win often, but prices can be inefficient. Look for matchups where the favorite’s edge is real but inflated. Injuries, travel, schedule congestion, and motivation are key. When the market overweights reputation and streak narratives, an outlier result can create value.
Importance of Context, Motivation, and Momentum
Momentum in sports betting is often just form in a small sample. Check context first. Is the favorite already qualified in a group match? Is the underdog fighting to advance? Is the favorite rotating starters? Use concrete factors, not vibes. Motivation and game state can produce a rapid reversal.
The Role of Tournament Formats in Creating Surprises
Knockouts increase volatility. One mistake can end a run. Extra time and penalties add randomness. Group openers can be traps for elite teams that start slow. These are structural risk factors that raise upset probability in specific windows.
Modern Betting Markets and Upset Potential
Live data, sharper models, and higher liquidity make pricing tighter than before. Shocks still happen, but books adjust fast, and edges shrink quickly. Treat any perceived edge as temporary, verify with multiple markets, and manage risk first.
How Bookmakers Adjust for Shock Results
After a major shock, books move prices and sharpen models. They rebalance liabilities, reassess power ratings, and adjust for injuries or tactical shifts. Large surprises like Leicester City’s title and Argentina vs. Saudi Arabia force a quick rethink of assumptions and factor weights in pricing.
Identifying Future High-Risk and High-Reward Matches
Look for high-risk, high-reward match spots: heavy favorite on short rest, travel, or distracted by a bigger game; underdog with a tight defensive block, set-piece threat, or a fast counter. Use a clear strategy. Track injuries, schedule, and expected lineups. Avoid chasing every long shot. Treat each bet as a measured gamble with a defined stake.
Responsible Gambling
Set guardrails before you ever place a long shot. Upsets are exciting, but the volatility and streak stories can push you into chasing. Keep bets small, plan limits, and stick to them on hot and cold runs alike.
- Set a fixed bankroll and a per-bet cap. Many use 1–2% on long shots because variance is high.
- Pre-commit to stop points. Decide daily and weekly loss limits and a session time limit.
- Log every wager. Track price taken, your estimated probability, and result. Patterns beat memory.
- Avoid tilt after shocks. Don’t double stakes to “win it back” after a surprise result.
- Separate fun from strategy. Parlays and big underdog odds are entertainment spends, not core bets.
- Take breaks. After a losing streak, step away and review rather than forcing action.
- Protect basics. Never bet with borrowed money, rent, or essential expenses.
- Get help early if control slips. Reach out when gambling stops feeling optional.
If you or someone you know needs support in the U.S. or Canada, help is available 24/7:
- U.S.: Call 1-800-GAMBLER, text 800GAM, or live chat at 1800gamblerchat.org
- Canada (Ontario): ConnexOntario 1-866-531-2600 or connexontario.ca
- Canada (British Columbia): Gambling Support BC 1-888-795-6111
- Canada (Alberta): 1-866-332-2322 or albertahealthservices.ca
- Canada (Quebec): 1-800-461-0140 or aidejeu.ca
Use these tools and contacts to keep your betting safe and sustainable. If limits are hard to follow or gambling affects your well-being, pause and seek help right away.
FAQ
What is considered the biggest betting upset in soccer history?

