San Francisco 49ers linebacker Dre Greenlaw enters free agency as a fascinating case study. The linebacker’s reputation as one of the best in the league lives on, but are the concerns about ...

The 49ers have to figure out what to do at weakside linebacker. Dre Greenlaw is coming off a season in which he played just 34 snaps after tearing his Achilles in last year's Super Bowl.

Of all the impending free agents on the 49ers, it is Dre Greenlaw who should be the top priority to re-sign. The 49ers are extremely thin at linebacker, so losing him will sting. Plus, replacing ...