He won the gold medal in the 97 kg event at the 2023 World Wrestling Championships held in Belgrade, Serbia.

[2] In 2018, Rosillo won one of the bronze medals in the 97 kg event at the Pan American Wrestling Championships held in Lima, Peru.

[3][4] A week earlier, he won the silver medal in the 97 kg event at the 2020 Pan American Wrestling Championships, also held in Ottawa, Canada.

[5] Rosillo competed in the men's 97 kg event at the 2020 Summer Olympics held in Tokyo, Japan.

[6] Rosillo won the gold medal in the 97 kg event at the 2023 World Wrestling Championships held in Belgrade, Serbia.