Ku qor sii socodka faqradan - playoff-ka 2004-tii, Beltrán wuxuu iskula ekeysiiyay Barry Bonds rikoodhka kaliya ee xilli ciyaareedkii ka dambeeyay siddeed ciyaarood oo gurigiisa ah. Wuxuu dhaliyay hal gool afartii kulan ee ugu horeysay tartanka horyaalka qaranka
(NLCS) ee ka dhanka ah St. Louis Cardinals, oo ay ku jiraan ciyaarta-guusha ee ciyaarta 4. Isagoo tirinaya labadiisa ciyaarood ee uu ku soo qaatay ciyaartii 5aad ee wareegga playoff-ka ee horyaalka qaranka ee horyaalka qaranka (NLDS) ee ka dhanka ah Atlanta Braves, Beltrán wuxuu ku dhuftay ugu yaraan hal ciyaar oo gurigiisa ah shan kulan oo isku xigta oo isku xigta, oo kaliya waxaa ka sarreeya ciyaartoyga gurigiisa ee Daniel Murphy lix kulan oo isku xigta oo isku xigta 2015. 12-kii kulan ee 2004 playoffs, Beltrán wuxuu garaacay.435 oo leh 14 RBIs iyo 21 orod oo la dhaliyay.