Baalke doesn’t care about speculation sparked by Gamble promotion

When the 49ers promoted Tom Gamble to assistant General Manager, two explanations quickly emerged: (1) ownership moved Gamble into the on-deck circle to partner with coach Chip Kelly if Baalke is fired; or (2) G.M. Trent Baalke made the decision and he is sufficiently secure in his position that he doesn’t care if it looks…