Rubuta ci gaba ga wannan sakin layi - Bayan gwagwarmaya da Cubs kusa da José Veras a farkon kakar 2014, an kira Rondón sabon Cubs kusa. Ya yi nasara a kakar wasa ta 2014. Ya sami ceto biyu a cikin Wasannin Division na League na National League na 2015 a kan St. Louis Cardinals, gami da ceto a wasan wasa na 4. Tare da ƙarin Aroldis Chapman a ƙarshen Yuli 2016, Rondon ya koma matsayin saiti a cikin bullpen. Rondon ya gama 2016 tare da rikodin 2-3 da ERA na 3.53 a cikin wasanni 54. Cubs sun lashe gasar cin kofin duniya ta 2016
a kan Cleveland Indians, kawo karshen Cubs '108-shekara fari. Ba a ba shi kyauta ba kuma ya zama dan wasa kyauta a ranar 1 ga Disamba, 2017.