The National Pro Fastpitch (NPF) is a professional women's softball league consisting of 5 teams located across the United States. The season runs from late May to mid-August, with a 6 round draft each year. The PA Rebellion is one of the teams in the league, coached by Craig Montvidas and Karen Marr. Cheri Kempf is the commissioner and president of the NPF, having played softball in college and worked as a broadcaster before taking the role. She also owns Club K, a softball training facility in California. Rawlings is a partner of the NPF and a manufacturer of softball equipment and apparel.