Racing PositionsJets' Clark ending career due to risk of paralysis5YRich CiminiJets say guard Clark has spinal-cord contusion5YRich CiminiFrom 'Jerry's World' to Texans' upset: Looking back at notable opening games at new NFL stadiums2hESPN staffRams' 'Classic Sol' and Ravens' all-white tops alternate heavy NFL Week 2 uniforms2hAnthony GharibSource: Texans star Collins injures hamstring, uncertain to play Week 21hThe Playbook: Shadow Reports, lineup locks and projected scores for Week 223mMike ClayBuzz: Why Dalton Kincaid is the biggest winner from Bills' game plan change2hESPN FantasyBad game or bad sign: Which players should you be concerned about entering Week 2?4hMatt BowenBarnwell on the NFL's newest offensive twist: Why are teams suddenly going under center more often?4hBill BarnwellBryce Young's 4-1 record vs. Falcons a harbinger for Week 2?2hMike Kaye