Velasco started his wrestling career in 1937 after having trained for two years under the tutelage of Raúl Romero, using the name "Telmo Velazco". Because Velasco did not have the physical size to become a top line wrestler, he was never a main eventer, but because of his skills and tenacity he was a respected mid-card wrestler who could be relied on to put on a good match.
Velasco's wrestling career began in 1937 after two years of training under Raúl Romero, adopting the name "Telmo Velazco". His lack of physical stature meant he never reached the top tier, but his skills and determination earned him a solid reputation as a reliable and engaging mid-card wrestler.