San Francisco 49ers: What We’ve Learned Through Week 4 of Preseason

September 4, 2015   ·   Grant Cohn   ·   Jump to comments

Despite losing Aldon Smith, Justin Smith, Ray McDonald, Patrick Willis, Chris Borland, Chris Culliver, Perrish Cox and possibly Ahmad Brooks, too, the San Francisco 49ers defense seems solid through four weeks of the preseason.
The defensive backfield seems better than we may have anticipated. Second-year cornerbacks Dontae Johnson, Kenneth Acker and Keith Reaser have all played well and seem ready to contribute. At safety, both Eric Reid and Antoine Bethea seem like Pro Bowlers, and backup Jaquiski Tartt seems like an asset to the dime defense.
And even though the front seven have only one starter from last season (nose tackle Ian Williams), they’ve held their own against the run, giving up zero rushing touchdowns in four games.
Here are five more things we learned about the 49ers in the preseason.
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