Defensive upgrades for the Niners including Maxx Crosby & Tariq Woolen

Dirty Work Hour 3: Derek Papa & John Dickinson (in for Copes) break down the Niners need to upgrade the defense, is Maxx Crosby a real option via trade, & could they snag Tariq Woolen away from Seattle, they also talk all Niners with Matt Maiocco.

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