 This included a spell with Sevilla, for whom he signed in 1998.Olivera won 28 caps for the Uruguay national team, being part of the squads at the 2002 World Cup as well as the 1997 Confederations Cup.After excelling as a youngster at his first professional club, Defensor Sporting Club, Montevideo-born Olivera moved to Spain and signed for Valencia CF, in January 1998.