Mamie "Peanut" Johnson had one dream: to play professional baseball. She was a talented player, but she wasn't welcome in the segregated All-American Girls Pro Baseball League due to the color of her skin. However, a greater opportunity came her way in 1953 when Johnson signed to play ball for the Negro Leagues' Indianapolis Clowns, becoming the first female pitcher to play on a men's professional team. During the three years she pitched for the Clowns,...

With his ability to travel through time using vintage baseball cards, Joe takes Flip with him to find out whether Satchel Paige really was the fastest pitcher ever.