 On 13 March 2007, it was confirmed by Catania that Morimoto had ruptured the anterior cruciate ligament (ACL) in his left knee and would be out for at least six months, ruling him out for the remainder of the 2006–07 season.Despite the serious injury, Catania recognised his true potential and he completed a permanent transfer deal with Catania on June 2007.On 14 December 2008, Morimoto signed a three-year contract extension with Catania lasting to 2011.