Damar Hamlin: Buffalo Bills player in critical condition but showing 'signs of improvement' as support offered to Tee Higgins, NFL News
Damar Hamlin timeline from injury to return to Bills, National Sports
He was able to communicate with us in writing,' doctors say of Damar Hamlin's progress
Damar Hamlin Thanks Fans on Social Media for Support After Collapse – The Hollywood Reporter
NFL Players Return to Practice After Damar Hamlin's Collapse - The New York Times
Damar Hamlin Gives Thanks for Fans' Support Since Collapsing During NFL Game - WSJ
Explainer: What Happened to Buffalo Bills Player Damar Hamlin?, Chicago News
Damar Hamlin thanks well-wishers, expresses desire to be with Bills teammates on gameday
After Answered Prayers for Damar Hamlin, What's Next?