‘During the Buffalo Sabres’ home games this month, the team is playing a fundraising commercial starring Ryan O’Reilly, Martin Biron, Sabretooth and a 5-year-old girl named Isabella Phelan. With a bow in her hair, she smiles throughout the ad for cancer-fighting “Bald for Bucks.” The commercial is light-hearted, but it’s taken on a sadder tone. Biron revealed Phelan has suffered a relapse of her cancer.’