Ann Petrovic, left, and Jeneane “Lefty” Lesko at Beyer Stadium in Rockford, Ill., July 24, 2026. As a group of players from an all-women’s baseball league in the 1940s and ’50s gathered at a recent reunion, the future of women’s baseball looks bright again. (Jamie Kelter Davis/The New York Times) By KEN BELSON More than 70 years ago, the women who played in the All-American Girls Professional Baseball League in cities across the Midwest were known as the Girls of Summer, and when the league…