It’s not just those head coaches that fall in that age range. New Orleans assistant coach Jeff Bzdelik (67), Lakers assistant coach Lionel Hollins (66) and Houston assistant coach John Lucas (66) will be facing those CDC-issued concerns along with referees Ken Mauer (65) and Michael Smith (65). A source close to the situation told NBC Sports that older NBA referees have not yet been given word about whether they will be going to Orlando.