 He resigned in 1926 when Alvear declined to support his proposal for a federal intervention in Buenos Aires Province, where a moderate UCR figure, Valentín Vergara, had been elected governor.Supported by conservatives since his attempted removal of Governor Vergara, he was the Anti-Personalist UCR candidate for Vice-President, as running mate to Leopoldo Melo, in the 1928 elections.Yrigoyen defeated their ticket in a landslide, however.