During his four seasons he was a four-time Northeast All-Star Game selection and three time All-Northeast Team.
[1] In 1975, the expansion Hartford Bicentennials of the North American Soccer League selected Welsh in the first round of the NASL draft.
[3] He finished his career with the Philadelphia Fever in the Major Indoor Soccer League.
Welsh earned his one cap with the United States men's national soccer team in a 4–0 loss to Poland on June 24, 1975.
[4] Welsh later served as the Executive Assistant to the President and CEO of the New Jersey Sports and Exposition Authority.