Dee ihe ga-aga n'ihu maka paragraf a - Walker gbara ọsọ Willy T. Ribbs oge ruo 1994, mana ọ nwere ọganiihu kachasị mma na oge mbụ ya na Scott Goodyear. Goodyear bịara nke abụọ n'aka Al Unser, Jr. na 1992 Indianapolis 500
site na 0.043 sekọnd, nke kacha nso ruo ụbọchị na akụkọ ihe mere eme nke agbụrụ ahụ, ma mesịa merie 1992 Michigan 500 maka Walker n'elu mgbe ahụ-Penske ọhụrụ Paul Tracy. Goodyear na Robby Gordon nọrọ oge buru ibu na Walker, na 1996 oge ikpeazụ ha. Gordon hapụrụ ịga n'ihu ọrụ NASCAR na Goodyear na Indy Racing League ọhụrụ. Walker goro Gil de Ferran, onye fọrọ nke nta ka o merie aha 1997 n'emeghị otu agbụrụ. Ọ gbara ụgbọ ala nke abụọ maka Naoki Hattori na Memo Gidley n'afọ 1999 mana ha abụọ emeghị nke ọma. Walker na-agba ọsọ otu ìgwè na Indy Racing League maka Sarah Fisher na 2000 na 2001 na obere ihe ịga nke ọma.