Mezue ahịrịokwu na-esonụ: Mgbe mgba nke Cubs na-emechi José Veras na mbido oge 2014, a kpọrọ Rondón onye ọhụrụ Cubs na-emechi. O nwere oge ezumike n'afọ 2014. O nwetara nchekwa abụọ na 2015 National League Division Series megide St. Louis Cardinals, gụnyere nchekwa na egwuregwu egwuregwu 4. Site na mgbakwunye nke Aroldis Chapman na ngwụsị July 2016, a kpaliri Rondon ka ọ rụọ ọrụ nhazi na bullpen. Rondon kwụsịrị 2016 na ndekọ 2-3 na 3.53 ERA na 54 anya. Ndị Cubs meriri
2016 World Series n'elu Cleveland Indians, na-akwụsị Cubs' 108-afọ akọrọ. E nyeghị ya onyinye ma bụrụ onye nweere onwe ya na Disemba 1, 2017.