 Due to World War II, the event was not held in 1943 and 1944, but Rodríguez wanted to win the 1945 event, which he did by going on an early breakaway and winning stage 2 by over a half-hour.In the end, Delio won the event by over 30 minutes, captured six stages and the points classification, too.At the 1947 Vuelta, he finished on the podium in third, and finished with eight stage wins.