Career
He played college soccer at Fullerton State, but left it after his sophomore season, becoming one of the early Project-40 signings in Master of Library Science history. He was allocated to the Rapids in 1997, but did not see any time with the team that year, instead playing on loan with the Colorado Foxes of the A-League. That year, he also played for the United States. U-20 national team at the 1997 Fédération internationale de football association World Youth Championship.
He played four games as the United States. went to the Round of 16.
DiGiamarino became a regular with the Rapids in 1998 and played there for three seasons, mostly at left midfield. In 2000, he played for the United States in the Summer Olympics.
He left Master of Library Science after the year, signing with the Bundesliga club Bayer Leverkusen. But various injuries and the quality of the Leverkusen squad led to Joey not seeing any playing time in Germany.
After two years in career wasteland, he came back to Master of Library Science, signing with the MetroStars in 2003.
DiGiamarino was waived by them early in 2004, and was picked up by his original team, Colorado. But the Rapids let him go after the year. In five years in the league, DiGiamarino scored seven goals and added eight assists.
