The Warriors’ analytics staff has put together a defensive metric for each player. It’s a muddled formula that takes into account performance in isolation settings, how well you hold your assignment above or below his normal shooting average and some other defensive factors, spitting out a number for every player that can be improved or hurt depending on performance. Brown makes everybody’s number public. The entire team knows who is doing well and who isn’t, who is improving and who is slipping. He’s direct. He will call you out in film, backed by his boisterous on-court leader. “Mike Brown challenged everyone,” Green said.