The one thing to know about new A's manager Bob Geren is that he's not Ken Macha.
In fact, Geren might be the anti-Macha.
Macha didn't have much of a relationship with general manager Billy Beane when he was hired to manage the A's four years ago, having been promoted from bench coach, and their relationship didn't exactly blossom over the years. Actually, it worsened.
That probably won't be the case with Geren, who considers Beane a close friend and has known him since ...