SAN FRANCISCO – Somewhere beneath the frequent chatter related to the Warriors’ relatively elderly core, there is a quieter concern about their roster.They’re still small by NBA standards. They don’t have a classic rim protector in the mold of ex-Warrior Andrew Bogut or, in today’s game, Victor Wembanyama or Walker Kessler. All three stand at least 7 feet.Golden State must find a way to offset that deficiency, and the logical start is by strengthening its point-of-attack defense. If your defense lacks a natural deterrent, closing the freeway to the rim becomes imperative.That message is being delivered to all the guards and wings on the roster, particularly those not named Stephen Curry. It’s on the minds of Moses Moody, Gary Payton II, Brandin Podziemski, Jonathan Kuminga and rookie Will Richard. Same applies to De’Anthony Melton, who won’t be active until November at the soonest. There is depth within the team’s backcourt defenders.Moody, who at times last season filled that role, seems energized by the prospect of expanding his opportunities.“It really let me know how fun it is,” he said Friday, referring to last...