Career
1. Football Club Kaiserslautern Trapp started his professional career with 1. Football Club Kaiserslautern, making his first appearance on 9 August 2008 in the 2008-2009 DFB-Pokal round 1 against Football Club Carl Zeiss Jena. Eintracht Frankfurt In 2012, he left relegated Kaiserslautern and went to promoted Eintracht Frankfurt where he got a four-year contract.
Paris Saint-Germain On 8 July 2015, he signed a 5-year deal with French champions Paris Saint-Germain where he will wear the number 16 jersey.
Club Paris Saint-Germain Ligue 1: 2015-2016 Trophée des Champions: 2015 Individual He was called up to the senior team for the Union of European Football Associations Euro 2016 qualifying match against Gibraltar on 13 June 2015, and again on 6 November 2015 for friendlies against France and Netherlands.