Denver Gazette beat writer Vinny Benedetto takes you around the NBA and inside the Nuggets locker room: NBA Insider What started behind closed doors in San Diego is now on display for all a national audience. “The physicality was there, man. … We know what Spence is,” Nuggets coach David Adelman said on the University of California San Diego basketball court Sept. 30, after an eventful first day of training camp. “That’s what he brings. He’s extremely physical. He’s a guy that fits today’s NBA. I think if he stays with it, he’ll get an opportunity because … his type of game is going to translate in the league now. He can make an open shot, and he can really guard, honestly, sometimes five positions.” Those turned out to be prophetic words.…