Dee ihe na-aga n'ihu maka paragraf a - N'agba atọ nke egwuregwu na 2004, Walker jikọtara iji kụọ.293 /.379 /.707 na di na nwunye nke ụlọ na asọmpi ọ bụla, na-edozi ndekọ aha maka ụlọ na-agba ọsọ nke onye aka ekpe na-akụ na otu postseason. Walker mere egwuregwu mbụ ya na ndị Cardinals na Egwuregwu 1 nke NLDS megide Dodgers, na-agba ọsọ ugboro abụọ ma na-agba ọsọ anọ na mmeri 8-3 Cardinals. Ọ ghọrọ Kadịnal mbụ nwere ọtụtụ egwuregwu na-agba ọsọ n'egwuregwu LDS. N'egwuregwu 1 nke National League Championship Series
(NLCS) megide Houston Astros, ọ bụ onye na-agba ọsọ n'ụlọ na-akụ maka okirikiri ahụ.