Racing Positions49ers' Mack announces retirement after 13 years4YNick Wagoner49ers' 53-man roster projection includes extra defensive lineman2YNick Wagoner49ers sign Pro Bowl center Mack to 3-year deal5YNick WagonerWilliams stays with 49ers on historic $138M deal5YFalcons WR Jones, C Mack ruled out vs. Chiefs5YRodgers, Mahomes among Rooney nominees5YBarnwell: 13 NFL trade proposals before the deadline, including two QBs and a star TE6YBill BarnwellMack unfazed as Falcons draft likely successor6YVaughn McClureFalcons' O-line plan in disarray after losing first-rounder Lindstrom7YVaughn McClureClayton's mailbag: CBA may slow new deals12YJohn Clayton
