SANTA CLARA — Brock Purdy remained out of sight Wednesday, which doesn’t mean he’s out of mind.

It’s shaping up as fourth start for Mac Jones as a 49er at Tampa Bay (1:25 p.m., Fox) in a battle of 4-1 teams. The jump-to-conclusions faction on social media are already suggesting it’s a “quarterback controversy.” Or at least a “potential” quarterback controversy.

All of which seems ridiculous considering Purdy is likely to miss his second straight game with right turf toe. How can there be a question about whether it’s Purdy or Jones under center when Jones is the only one physically capable?

Here’s the obvious conclusion: The 49ers aren’t going anywhere with just Brock Purdy or just Mac Jones. They’ll need them both.

Purdy wasn’t on the field with Jones and Adrian Martinez at practice W

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