Morel was a late developer, not playing professionally until the age of 25. Morel was discovered playing for Sportivo Las Parejas and joined Tigre in 2006.
In his first season with Tigre Morel helped the club to gain promotion to the Argentine Primera. The Apertura 2007 was Tigre's first season in the Primera since 1980, and Morel's first taste of top flight football. Morel was not a regular in the first team, but chipped in with three goals in his seven appearances. The club finished in 2nd place which was the highest league finish in their history. During the Apertura 2008 Morel was an important part of the Tigre squad that again reached the runner-up position. He scored a total of 13 goals throughout the tournament.