Racing for the entire season is $50 and entry in a single race is $5.
Botero joined the American domestic team, Rock Racing, for the 2008 season.
Wallace moved to race directly for Joe Gibbs Racing for the 2012 season.
He raced with Team Pyro for the 2009 season.
They were planning to partner with Peak Fitness Racing for the 2006 season, but that deal fell through.
The league went back to the Indy Racing League name for the 2002 season.
Houston again returned to Addington Racing for the 1999 season and he scored 14 top tens with an 8th place finish in points.
Walker returned to Hitech Racing for the 2006 season, taking three podium places on his way to 9th in the final standings.
After Ford increased its commitment by buying the team out, it became known as Jaguar Racing for the 2000 season.
The team also formed a partnership with Michael Waltrip Racing for the 2006 season.
