OK, it's time.Now that the 49ers have played their first exhibition game, the San Francisco braintrust should know it's time to work out a new deal with guard Alex Boone.Plan B isn't going to work.Joe Looney showed he's not up to Boone's level while starting at right guard against the Ravens in last Thursday's exhibition game, backup guard Adam Snyder was injured in weekend practices with the Ravens and offensive-line addition Jonathan Martin has sometimes been overpowered physically in practices and drills.The 49ers – who have big hopes this season of a more potent offense – need Boone back at right guard. Already, the 49ers know they'll go through some rough spots with Daniel Kilgore or Marcus Martin at center (replacing Jonathan Goodwin). So they need Boone back in the lineup, and they need him back soon so he's 100 percent good to go by the Sept. 7 opening date.NFL.com's Ian Rapoport reported Saturday that no progress has been made in negotiations between the team and Boone. And, the team has had a no-negotiation policy with holdout players.But it's about time for the Niners to send a signal to Boone that if he returns, there will soon be a new deal for him.Yet...