Marvin Compper, born 14 June 1985, is a German centre-half for MSV Duisburg. The defender moved during the 2002–03 season from the youth team of the VfB Stuttgart to the amateur team of Borussia Mönchengladbach. In the first half of the 2007–08 season, Compper played only three games for Borussia Mönchengladbach. Due to this, he transferred to TSG 1899 Hoffenheim in January 2008. In January 2013, he transferred to Fiorentina. On 23 January 2014, in the quarter-finals of the Coppa Italia against Siena, he scored a late winner in a 2-1 win. On 2 August 2014 he signed a deal with 2. Bundesliga side RB Leipzig.