 Struggling to establish himself in the role, he went from the Pirates to the Cincinnati Redlegs, then the New York Yankees.Arroyo was the first to play for the Yankees, and despite his earlier struggles, he quickly became an important contributor to the club.American League hitters had little success against Arroyo's screwball, and after a solid contribution at the back of their bullpen in 1960, he enjoyed the best season of his career in 1961.