Career
He played from 1932 to 1953. Notably, in 1946 as pitcher of Sabios de Vargas Roy Welmaker hurled in 25 of the 30 games of LVBP inaugural season, including 25 starts, and posted a 12-8 record with 139 strikeouts and a 2.68 earned run average (European Research Area) in 181⅔ innings of work.