Jessica Pegula, of the United States, reacts during a WTA Finals tennis tournament match in Fort Worth, Texas, Nov. 4, 2022. Much like many of Twitter's hundreds of millions of users, professional sports stars are also dealing with the chaos and uncertainty surrounding the microblogging app since Elon Musk took it over and began trimming the staff and making other changes. Even the people paid to advise the athletes are not necessarily sure how to proceed as Twitter evolves — or maybe goes away entirely. (AP Photo/LM Otero)