Yes, Daigo has indeed played for Matsumoto Yamaga. He was with the club from 2005 to 2007, making 88 appearances and scoring 25 goals. During his time at Matsumoto Yamaga, he helped the team gain promotion to the J2 League in 2006 and was named the club's Most Valuable Player in 2007.
The Incredible Journey of Daizen Maeda: A Football Quiz with a Twist!