National Pro Fastpitch (NPF) is a growing professional sports platform for women in sport, specifica, National Pro Fastpitch (NPF) is a growing professional sports platform for women in sport, specifically the sport of fastpitch softball. NPF currently exists as a rarity among professional team sports options for women. The league provides a place for fastpitch softball’s elite level players, to compete against each other. The NPF works to grow the game daily through individual team ownership, increased engagement with corporate America partners and expanded television coverage. The five current.