Racing PositionsBraves reacquire reliever Chavez, 38, from Cubs1MJesse RogersAdding Cole Hamels latest sign Braves mean business this offseason2YDavid SchoenfieldFire extinguisher set off by Newcomb's meltdown3YBold predictions and trades we want to see in the second half3YBradford DoolittleBraves reinstate Newcomb from concussion list3YBraves place Newcomb on 7-day concussion list3YNewcomb likely to avoid IL after liner to head3YBraves' Newcomb exits after line drive off head3YBraves send down Newcomb; Vizcaino to IL3YBuster's Buzz: These young arms could carry Braves in stacked NL East3YBuster Olney