Kyle Shanahan's 49ers rebuild was in Year Zero _ a proto-rebuild year, where he could survey the state of the team and determine firsthand where he should start the painful process of rebuilding.
But the rebuild entered Year One on Monday, when Shanahan made the boldest move of his tenure in charge of the 49ers, trading for New England Patriots quarterback and Tom Brady understudy Jimmy Garoppolo, a player the 49ers brass clearly feels can be a franchise cornerstone as the team efforts to return to respectability.
There's a lot to dissect with this move, but here are the four big things it told us about this still-new 49ers' administration:
