He has won three national titles (1991, 1995, 1997) with Guayaquil based club Barcelona, with whom he has spent the majority of his professional career.

That same year, he was voted as the Best Goalkeeper in South America by Montevideo based newspaper El País.

In that season, Barcelona reached the finals for the second time in their history, but they would be the runner-up, again, after losing to Brazilian club Vasco da Gama.

In 2005, he was loaned to play for Once Caldas in Colombia, where he did not enjoy major success and he just completed one season there.

In the quarterfinals, LDU Quito eliminated Argentine club San Lorenzo by penalties, with Cevallos stopping a key shoot by Aureliano Torres.

Cevallos came out a hero in the end, blocking penalties by Darío Conca, Thiago Neves and Washington to give LDU Quito their first Copa Libertadores, which was also the first for the country.

[3] During his first era with the Ecuador national football team he was a participant at the 2002 FIFA World Cup and in Copa América 1995,[4] 1997 with his brother,[5] 1999,[6] and 2001.