Buffalo Bills and Sabres co-owner Kim Pegula is undergoing treatment for undisclosed heath issues.

The Pegula family issued a statement Tuesday saying, "Kim is receiving medical care as a result of some unexpected health issues. We are very grateful for the progress she has made over the past few days. She has an exceptional team of medical experts at her side. We ask that you keep Kim and our family in your prayers and ask that you respect our need for privacy."