NFL training camp is here! Biggest storylines, roster projections and previews for all 32 teamsQuarterback storylines dominate NFL team discussions.
49ers mailbag: Stop envisioning Super Bowl dynasty (other than the Chiefs')The 49ers are focusing on revamping their defense to prevent the Kansas City Chiefs' three-peat bid.Injuries to key personnel like Dre Greenlaw and Daniel Bullocks have impacted the team.