Background
Davidson was born and raised in Tokyo to a Japanese mother and an American father.
Davidson was born and raised in Tokyo to a Japanese mother and an American father.
He moved with his family to Pasadena, California in 1995, where he attended high school and played for the American Global Soccer School.
Youth
Professional
Davidson returned to Japan in 2002, and made his professional debut with Omiya Ardija in 2002. Davidson remained with Omiya Ardija until 2006, finishing his career at the club with 87 appearances and 2 goal in all competitions. He transferred to Albirex Niigata in 2007, but never settled at the club, making just 10 appearances, and spending time on loan at Vissel Kobe and Consadole Sapporo.
Davidson returned to the United States in February 2009 when he signed for Carolina RailHawks of the USSF Division 2 Professional League.
He helped the Railhawks in winning the NASL Conference title and earning a trip to the USSF Doctorate-2 championship series. He spent the 2011 season with Tokushima Vortis of Japan"s J. League Division 2.
He remained at the club for one season and appeared in 24 league matches helping the club to a fourth-place finish in, three points out of promotion. Davidson signed with Vancouver Whitecaps Football Club of Major League Soccer on January 18, 2012, reuniting with former coach Martin Rennie.
He made his debut on March 10, 2012 against the Montreal Impact and played two seasons for the Whitecaps Football Club. Davidson signed for the Carolina RailHawks Football Club in March 2014 and was named captain for the 2014 season.
He collected the team Most Valuable Player award after leading the club to a fifth-place finish in the North American Soccer League.