Gerhard Martin Tremmel is a German footballer who plays for Swansea City, as agoalkeeper. His previous clubs include Bayern Munich and 1860 Munich, where he spent three years as a youth, before SpVgg Unterhaching where he made his senior debut. Tremmel left Bavaria in 2002 for spells at Hannover 96 then Hertha BSC, where he spent 2004–05 in the reserve side. He joinedCottbus in 2006 on a two-year contract and announced his intention to leave the club on 29 April 2010. On 20 May 2010, he signed for FC Red Bull Salzburg. Tremmel signed for Welsh side Swansea City on 30 August 2011 following their promotion to the Premier League. He made his competitive debut for Swansea on 7 January 2012 in an FA Cup fixture at Barnsley, helping his team to a 2–4 away win. Tremmel made his Premier League debut on 26 February 2012 in a 2–0 away loss against Stoke City.