Buccaneers’ Clifton Smith won’t let concussions hold him back Sportsnet Staff June 7, 2010, 4:52 PM Sportsnet Staff June 7, 2010, 4:52 PM Sportsnet.ca no longer supports comments. LATEST NFL NEWS NFL Week 18 Preview: 49ers and Seahawks battle for NFC's No. 1 seed 59 minutes ago An ode to 'The Ralph': Bills fans set for emotional goodbye to Highmark Stadium 1 hour ago AP Source: Jaguars agree to three-year extension with LT Cole Van Lanen 11 hours ago Joe Flacco appreciative of chance to play for Bengals 12 hours ago Titans' owner streamlines front office roles; Borgonzi to lead coaching search 17 hours ago Cardinals place WR Marvin Harrison Jr. on IR 17 hours ago Steelers' T.J. Watt hopes to play vs. Ravens, calls dry needling mishap a 'fluke' 17 hours ago Dolphins place TE Darren Waller on IR, sign RB Donovan Edwards 19 hours ago