The following year he joined with fellow American and Cradley teammate Billy Hamill to form Team Exide.
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Greg first came to the United Kingdom at the end of the 1988 speedway season to ride exhibition races with fellow 18 year old Californian Billy Hamill.
The highlight of Alfonso's career came during the 1996 season when he competed in the 1996 Italian Grand Prix, a meeting where he defeated the eventual 1996 World Champion, Billy Hamill.
Billy Joel | Billy Wilder | Billy Crystal | Billy Bob Thornton | Billy Taylor | Billy Hart | Billy Connolly | Billy Bragg | Billy Idol | Billy Cobham | Billy Preston | Billy Ray Cyrus | Billy Graham | Billy Eckstine | Billy Budd | Mark Hamill | Billy the Kid | Billy Sunday | Billy Mitchell | Billy Zane | Billy Squier | Billy Martin | Billy Corgan | Billy Ocean | Billy Joe Shaver | Claire Hamill | Billy Meredith | Billy West | Billy Hughes | Billy Elliot |