Celtics are fighting a war that nobody else knows is happening

Joe Mazzulla, Sam Hauser, Jaylen Brown, Hugo Gonzalez, and Josh Minott | Chris Schwegler/GettyImages | Brian Sevald/GettyImages | Nic Antaya/GettyImages | Sean Gardner/GettyImagesNEW ORLEANS — Joe Mazzulla spent training camp and the preseason emphasizing one message: Don’t read into the starting lineups. “Zero,” he said before the Celtics’ first preseason game in Memphis. “I'll save you some time.”

Through four regular-season games, that’s been the truth. There have been four staples: Jaylen Brown, Derrick White, Payton Pritchard, and Neemias Queta. The fifth slot has been a rotating cast.

Sam Hauser earned the nod in each of Boston’s first two games. After an electric night at Madison…