When Fredi Gonzalez got fired, the Atlanta Braves record stood at 9-28, a lowly .243 winning percentage that would have ranked the team with some of the worst in franchise history. The Braves history of midseason replacement managers provides some interesting guidance about expectations.
Before 2016, and including the 19th-century Boston teams, the franchise had made 18 midseason managerial changes.
History
Only eleven of those changes occurred when the team had a losing record. (They have fired seven managers with winning records!) In five of those eleven cases, the new manager produced a worse record, and in six cases, he produced a better record.