Butler was added to Redmond 's staff last season .
Butler was was presumed to be a candidate to replace him as manager before the Marlins made the controversial and oft - mocked decisision to move Jennings from the front office to the dugout .
Butler was added to Redmond 's staff last season and was presumed to be a candidate to replace him as manager before the Marlins made the controversial and oft - mocked decisision to move Jennings from the front office to the dugout .