His team won under-16, under-17 and under-19 national titles while playing for the La Jolla Nomads.
He walked on to the Irish football team as a sophomore, and was recognized as a unanimous first-team All-American as a senior in 2002.
[3] Walton finished the year with 68 tackles (46 solo), seven interceptions (two returned for touchdowns) and seven pass breakups.
[4] The St. Louis Rams selected Walton in the fifth round (170th pick overall) of the 2003 NFL draft.
He continues playing adult soccer for the Nomads and other teams in the San Diego area.