 Ronaldo made his professional debut in the Liga MX on October 24, 2014 in a 1-1 draw against UNAM.He scored a hat trick against FC Juarez in the Copa MX on September 13, 2017.After Santos began to struggle, Ronaldo was not being considered in the first team as he was too young to take on big responsibilities and only played in the Copa MX and under-20s squad.