Moriyama was born in Kumamoto on November 9, 1967. After graduating from University of Tsukuba, he joined Mazda (later "Sanfrecce Hiroshima") in 1991. The club won the 2nd place in J1 League and 1995 Emperor's Cup. He played 97 matches until 1995. He moved to Yokohama Flügels in 1996. He played 53 matches in 2 seasons. In 1998, he moved to Júbilo Iwata. However he could hardly play in the match. In 1999, he moved to Bellmare Hiratsuka. He retired end of 1999 season.