Jon Merrill, a member of the Vegas Golden Knights, donates blood during the Vitalent blood drive at the Las Vegas Convention Center on the one-year anniversary of the Las Vegas shooting, Oc.t 1, 2 …

Jon Merrill, a member of the Vegas Golden Knights, donates blood during the Vitalent blood drive at the Las Vegas Convention Center on the one-year anniversary of the Las Vegas shooting, Oc.t 1, 2018. (Mat Luschek/Las Vegas Review-Journal)