The Patriots have to re-tool their offensive line after losing Ted Karras in free agency and the trade of Shaq Mason to the Buccaneers. Bill Belichick has addressed the offensive line in recent drafts by drafting Yodny Cajuste, Michael Onwenu and Justin Herron among others. All are still on the roster and will be in the mix to start next season. Belichick could address the offensive line in several ways,……