CHICAGO — Facing elimination in their first-round series with the Milwaukee Bucks, the Chicago Bulls were dealt another blow Tuesday when Zach LaVine entered health and safety protocols. LaVine will likely be out for Game 5 of the series, which tips off Wednesday night at 6:30 p.m. The Bulls will drive up to Milwaukee to prepare for Game 5 Tuesday night. With Alex Caruso in concussion protocol, the Bulls might be down two starters for their must-win game. LaVine has averaged 19.3 points per game on 42.9% shooting in the first four games of the series. He is one of three Bulls players — alongsi…