All-American Girls Professional Baseball League rules of play progressively extending the length of the base paths and pitching distance, while decreasing the size of the ball until the final year of play in 1954. For the first five years the circuit used a fastpitch underhand motion, shifted to sidearm in the 1947 season, and overhand pitching began in 1948. All-American Girls Professional Baseball League rules of play The All-American Girls Professional Baseball League was a circuit that began to operate in 1943. Since the only organized ball for women in the United States was softball, the league officials created a hybrid game which included features of both fast-pitch
Jennifer Welter woman to coach in a men's professional football league. A year prior, the , Welter was signed by the Revolution as a running back. This made her the second female player for a position other than kicker or placekick-holder on a men's professional football team, and the first at running back. She is not the first female to play a male dominant sport; however, she is the second woman after hockey player Hayley Wickenheiser to play a "contact" position in a male dominant sport and the first woman in football to do so. Welter was featured in Mogul's #IAmAMogul campaign