AGRI Biz

Almost everyone who follows the NFL agrees that the 49ers most pressing need is upgrading an offensive line that hasn't adequately protected their quarterbacks, and didn't provide the thumpingly dominant run blocking that Mike Singletary desperately desires .   The 49ers are set with their center in Eric Heitmann and at one tackle spot with Joe Staley. They hope Chilo Rachal will stop relying on his brute strength and athleticism, work ...