Kammala wannan jumla: A wasan karshe na 2004, Beltrán ya daidaita rikodin Barry Bonds na bayan kakar wasa guda tare da gida takwas. Ya buga daya a kowane wasa hudu na farko na gasar.
Wasannin Gasar Zakarun Kasa (NLCS) da St. Louis Cardinals, gami da wanda ya lashe wasa a wasa na 4. Idan aka kirga wasan da ya buga a gida biyu a wasa na 5 na zagaye na baya a gasar zakarun kasa (NLDS) da Atlanta Braves, Beltrán ya buga akalla gida daya a cikin wasanni biyar da aka buga a jere, wanda Daniel Murphy ya buga a wasanni shida a jere a shekarar 2015. A cikin wasanni 12 a cikin wasan kwaikwayo na 2004, Beltrán ya buga.435 tare da 14 RBIs da 21 ya zira kwallaye.