 Morten Rasmussen debuted for Brøndby's first team 2 October 2005 against AC Horsens.He has mostly been used as a central defender, but after Mark Howard joined Brøndby's squad in June 2006, Rasmussen has been playing the back position.Currently the 188 cm tall defender is noted for a total of 25 appearances and 1 goal for Brøndby.