Rodrigo Alberto Rain Vejar (born April 13, 1975 in Concepción, Chile) is a Chilean footballer. His current team is Unión La Calera of Chilean Primera División. The Primera División del Fútbol Profesional Chileno (English: Chilean First Division of Professional Football) is the top level of Chilean football, and main component of the Chilean football league system. It is organized by the Asociación Nacional de Fútbol Profesional (English: National Association of Professional Football) and is currently ranked 9th in the IFFHS' Best Leagues of the World ranking.