Trophée des Champions in the context of "Career of Lionel Messi"

A treble in association football is achieved when a club team wins three trophies in a single season. A continental treble involves winning the club's top-level domestic league competition, main domestic cup competition, and main continental trophy. Although winning a second-tier continental trophy (e.g. Europa League) has also been described as a continental treble, it is not as widely accepted. A domestic treble involves winning three national competitions—including the league title, the primary cup competition, and one secondary competition, such as a league cup.

Competitions which consist of a single match or a two-leg match are not normally counted as part of a continental treble (e.g., the FA Community Shield, Supercopa de España, Supercoppa Italiana, Trophée des Champions, DFL-Supercup, UEFA Super Cup, Recopa Sudamericana, FIFA Club World Cup (2005–2023 editions), Intercontinental Cup and others).

Olympique de Marseille (French: [ɔlɛ̃pik də maʁsɛj], locally [olɛ̃ˈpikə də maχˈsɛjə]; Occitan: Olimpic de Marselha, pronounced [ulimˈpi de maʀˈsejɔ]), also known simply as Marseille, or by the abbreviation OM (IPA: [o.ɛm], locally [oˈɛmə]), is a French professional football club based in Marseille which competes in Ligue 1, the top flight of French football. Founded in 1899, OM has won 26 domestic trophies: ten league titles, ten Coupe de France, three Coupe de la Ligue, and three Trophée des Champions. Continentally, the club holds a joint national record of one UEFA Champions League and a joint national record of one UEFA Intertoto Cup. Additionally, Marseille has played in three UEFA Europa League finals. In 1993, coach Raymond Goethals led the team to become the first French club to win the UEFA Champions League, defeating Milan 1–0 in the final, the first under the UEFA Champions League branding of the tournament. In 2010, Marseille won its first Ligue 1 title in 18 years under the management of former club captain Didier Deschamps.

Marseille's home ground is the 67,394-capacity Stade Vélodrome in the southern part of the city, where they have played since 1937. The stadium underwent renovations between 2011 and 2014, increasing its capacity to 67,000 in preparation for France's hosting of UEFA Euro 2016. The club has a large fan-base, having regularly averaged the highest attendance in French football. Marseille's average home gate for the 2018–19 season was 50,361, the highest in Ligue 1. The club have a long-standing rivalry with Paris Saint-Germain, against whom they contest Le Classique.

The Coupe de France (French pronunciation: [kup də fʁɑ̃s]), also known in English as the French Cup or less commonly as the France Cup, is the premier knockout cup competition in French football organised by the French Football Federation (FFF). It was first held in 1917 and is open to all amateur and professional football clubs in France, including clubs based in the overseas departments and territories. Between 1917 and 1919, the competition was called the Coupe Charles Simon, in tribute of Charles Simon, a French sportsman and the founder of the French Interfederal Committee (the ancestor of the French Football Federation), who died in 1915 while serving in World War I. The final is played at the Stade de France and the winner qualifies for the group stage of the UEFA Europa League and a place in the Trophée des Champions match. A concurrent women's tournament is also held, the Coupe de France Féminine.

Combined with random draws and one-off matches (no replays), the Coupe de France can be difficult for the bigger clubs to win. The competition is usually beneficial to the amateur clubs as it forces higher-ranked clubs, usually professional clubs, to play as the away team when drawn against lower-league opposition if they are competing more than one level below them. Despite this advantage, only three amateur clubs have reached the final since professionalism was introduced in French football in 1932: Calais RUFC in 2000, US Quevilly in 2012 and Les Herbiers VF in 2018. Two clubs from outside Ligue 1 have won the competition, Le Havre in 1959 and Guingamp in 2009. The reigning champions are Paris Saint-Germain, who defeated Reims in the final of the 2024–25 competition.