Other sports practised at the club include basketball, futsal, gymnastics, field hockey, swimming, karate, rugby union, roller skating, and volleyball.

Unión was also a founding member (along with Argentine, Central Santa Fe, Brown, Red Star, Sarmiento, San Justo Football Club y Estudiantes de Comercio) the "Liga Regional Santafesina", where the team won the title four consecutive times.

The first win in Liga Rosarina was vs Aprendices Rosarinos with the following line-up: José Luis Peíteado; Saúl Galetti, Domingo Pallavidini; José Ayala, Alfredo González, Domingo Gómez; Gregorio Aguirre, Arturo Pérez, Manuel Montenegro, Elías Pieretti, Domiciano Roa.

Managed by Juan Carlos Lorenzo in 1975, Unión made a great campaign in the 1975 championship with a group of notable players such as goalkeeper Hugo Gatti, midfielders Victorio Cocco and Rubén Suñé and forwards Ernesto Mastrángelo and Leopoldo Luque among others.

[8] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

[13] Carlos Delfino is probably its most recognized former player, but Mario Elie a three time NBA champion (1994, 1995 y 1999), also played briefly for Unión in the Argentine League in 1987.