Casey Mittelstadt added to NHL's COVID-19 ProtocolSource: WKBW-TV ‘Head coach Ralph Krueger is also in the league’s protocol, and is the only confirmed positive case in the organization.’ Related posts: Wednesday’s Rochester Coverage Dylan Cozens and Curtis Lazar added to NHL’s COVID Protocol Saturday’s Rochester Coverage Sabres’ Dylan Cozens and Curtis Lazar added to COVID protocol list McCabe added to NHL’s COVID Protocol List