FILE - Jessica Pegula, of the U.S., plays a forehand shot during a fourth round match at the Australian Open tennis tournament, in Melbourne, Australia, on Jan. 22, 2023. She has revealed that her mother, Buffalo Bills and Sabres co-owner Kim Pegula, went into cardiac arrest in June and is "improving every day" as she deals with significant language and memory issues. (AP Photo/Ng Han Guan, File)