Sydney Sweeney’s boxing movie was a bomb. Why do we keep making boxing biopics?

By Lisa Respers France, CNN (CNN) — Sydney Sweeney’s latest movie was down for the count in its opening weekend at the box office. According to the receipts from Box Office Mojo, “Christy,” a boxer biopic, was released in more than 2,000 theaters but took in just $1.3 million on opening weekend. Boxing movies about