SANTA CLARA — Nothing like a Week 1 depth chart , even an unofficial one, to set ablaze the 49ers’ fans, as happened Tuesday to yield this question-and-answer mailbag:

Unless the 49ers coaches verbally declare a competition over, incumbents and/or veterans usually get the nod in depth charts such as these, which are compiled and distributed by the team’s communications staff, hence their “unofficial” designation.

Defensive coordinator Robert Saleh has insisted it’s an open competition. Rookie Marques Sigle ‘s speed and instincts impressed in the preseason and he could unseat Ji’Ayir Brown in the lineup. Veteran Jason Pinnock seems to have locked down the other starting spot. Sunday’s first defensive snap in Seattle will be the true reveal.

Not going to happen unless Jauan Jenning

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