|30 Sep 23||Mainz  ||-|| Leverkusen|
|06 Oct 23||Mönchengladbach  ||-|| Mainz|
|21 Oct 23||Mainz  ||-|| Bayern Munich|
|28 Oct 23||Bochum  ||-|| Mainz|
|04 Nov 23||Mainz  ||-|| RasenBallsport Leipzig|
|23 Sep 23||Augsburg|| ||2 - 1|| ||Mainz|
|16 Sep 23||Mainz|| ||1 - 3|| ||Stuttgart|
|09 Sep 23||Mainz|| ||2 - 0|| ||Duisburg|
|02 Sep 23||Werder Bremen|| ||4 - 0|| ||Mainz|
|27 Aug 23||Mainz|| ||1 - 1|| ||Ein Frankfurt|
1. Fußball- und Sportverein Mainz 05 e. V., usually shortened to 1. FSV Mainz 05, Mainz 05 or simply Mainz, is a German association football club, founded in 1905 and based in Mainz, Rhineland-Palatinate. 1. FSV Mainz 05 have played in the Bundesliga, the top tier of the German football league system, for eight consecutive years, starting with the 2009–10 season. The club's main local rivals are Eintracht Frankfurt and 1. FC Kaiserslautern. In addition to the football division, 1. FSV Mainz 05 have handball and table tennis departments.
A failed attempt to start a football club in the city in 1903 was followed up two years later by the successful creation of 1. Mainzer Fussballclub Hassia 1905. After a number of years of play in the Süddeutschen Fußballverband (South German Football League), the club merged with FC Hermannia 07 – the former football side of Mainzer TV 1817 – to form 1. Mainzer Fussballverein Hassia 05, which dropped "Hassia" from its name in August 1912. Another merger after World War I, in 1919, with Sportverein 1908 Mainz, resulted in the formation of 1. Mainzer Fußball- und Sportverein 05. Die Nullfünfer were a solid club that earned several regional league championships in the period between the wars and qualified for the opening round of the national championships in 1921, after winning the Kreisliga Hessen.
Play during the Nazi era
In the late 1920s and early 1930s, the club earned decent results in the Bezirksliga Main-Hessen – Gruppe Hessen, including first-place finishes in 1932 and 1933. This merited the team a place in the Gauliga Südwest, 1 of 16 new first division leagues formed in the re-organization of German football under the Third Reich. Unfortunately, the club only managed a single season at that level before being relegated, due to the high intensity play that they were unable to keep up with. Karl Scherm scored in 23 out of 44 matches with Mainz during his last season. In 1938, Mainz was forced into a merger with Reichsbahn SV Mainz and played as Reichsbahn SV Mainz 05 until the end of World War II.
Long march to the Bundesliga
Historical chart of 1. FSV Mainz league performance after WWII
After World War II, the club again joined the upper ranks of league play in Germany's Oberliga Südwest, but were never better than a mid-table side. It played in the top flight until the founding of the new professional league, the Bundesliga, in 1963 and would go on to play as a second division side for most of the next four decades. They withdrew for a time – from the late 1970s into the late 1980s – to the Amateur Oberliga Südwest (III), as the result of a series of financial problems. Mainz earned honours as the German amateur champions in 1982.
The club returned to professional play with promotion to the 2. Bundesliga for a single season in 1988–89 with Bodo Hertlein as president, before finally returning for an extended run in 1990–91. Initially, they were perennial relegation candidates, struggling hard each season to avoid being sent down. However, under unorthodox trainer Wolfgang Frank, Mainz became one of the first clubs in German soccer to adopt a flat four zone defence, as opposed to the then-popular man-to-man defense using a libero.
Mainz failed in three attempts to make it to the top flight in 1996–97, 2001–02, and 2002–03, with close fourth-place finishes just out of the promotion zone. The last failed attempt stung as they were denied promotion in the 93rd minute of the last match of the season. One year earlier, Mainz became the best non-promoted team of all-time in the 2. Bundesliga with 64 points accumulated. However, the club's persistence paid dividends after promotion to the Bundesliga in 2003–04 under head coach Jürgen Klopp. The club played three seasons in the top flight but were relegated at the end of the 2006–07 season. Mainz then secured promotion back to the top flight just two years later, after the 2008–09 season.
Mainz also earned a spot in the 2005–06 UEFA Cup in their debut Bundesliga season as Germany's nominee in the Fair Play draw which acknowledges positive play, respect for one's opponent, respect for the referee, the behaviour of the crowd and of team officials, as well as cautions and dismissals. Due to the Bruchweg stadium's limited capacity, the home matches in UEFA Cup were played in Frankfurt's Commerzbank-Arena. After defeating Armenian club Mika and Icelandic club Keflavík in the qualifying rounds, Mainz lost to eventual champions Sevilla 2–0 on aggregate in the first round.
In the 2010–11 season, Mainz equalled the Bundesliga starting record by winning their first seven matches that season. They ended the season with their best finish to date in fifth place, good enough to secure them their second entry to the UEFA Europa League, where they were eliminated in the third qualifying round by Romanian club Gaz Metan Mediaș.
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