Deportivo Toluca F.C.
Cornero moved to Mexico in 1974, joining Club América for three seasons. He moved to crosstown rivals Cruz Azul, where he won the Mexican Primera División twice. He finished his career playing with Deportivo Toluca F.C. during the 1983–84 season, giving way to a debilitating nervous system injury which stemmed from a kick to the head suffered earlier in his career.