He began his career at Oscar FC in Kpando, Ghana and FC Maamobi. He transferred to Gamba All Blacks F.C. in 2005. In January 2007 Asante Kotoko bought Vorsah. The German team TSG 1899 Hoffenheim offered him a trial. After the trial he was loaned until 30 June 2008. On 1 April 2008 TSG 1899 Hoffenheim bought him and he signed until 30 June 2011. For Hoffenheim he played 106 times and shot 4 goals. He moved to Red Bull Salzburg in August 2012. After he came back from the Africa Cup 2013 he was injured badly and missed the 2013/14 season.