The new professional softball league's season would span just six weeks at the end of the summer. All four of its teams would share not only a city but also a venue at the Chicago-area Ballpark … The merged league competed for two seasons, before disbanding after the 1982 season, ending the pro era of men's softball. NPF is intended to provide family entertainment for people of all ages and to showcase the top talent in fast-pitch softball today. The primary goal of the league is to secure fast-pitch softball as a professional sports … National Pro Fastpitch; Current season, competition or edition: 2020 National Pro … Welcome to National Pro Fastpitch! Each year, the playoff teams battle for the Cowles Cup. ESPN carried the sport during the early years of its existence; the first sporting … National Pro Fastpitch (NPF), formerly the Women's Pro Softball League (WPSL), is a professional women's softball league in the United States. Empower Team USA athletes to achieve sustained competitive excellence and well-being.