On January 23, 1934, Sarron, at the featherweight range of 128 pounds, met Frankie Covelli at Portner's Arena in Alexandria, Virginia, losing in a ten-round points decision. On March 8, 1935, however, he beat Covelli at the Coliseum in Coral Gables, Florida in a ten-round points decision. In 1940, Covelli would contend for the NBA World Featherweight Title in Washington D.C.
