Morisaki was born in Hiroshima on May 9, 1981. He joined Sanfrecce Hiroshima from their youth team in 2000. He played many matches as offensive midfielder from 2002 and became a central player of the club with his twin brother Kazuyuki Morisaki. In 2000s, although he played many matches, he suffered from occupational burnout in 2005 and chronic fatigue syndrome in 2009. In 2010s, although his opportunity to play decreased, the club won the champions 2012, 2013 and 2015 J1 League. He retired end of the 2016 season.