Nigel Clough lost his job as manager of Derby after a painful defeat at Nottingham Forest.
Jack Hobbs' first Forest goal gave the Reds a first win in five matches against the Rams, and brought with it the prize contested in memory of Clough's managerial great father - the Brian Clough Trophy.
The result proved the final straw for the Derby board as Clough's departure was announced on Saturday evening.
Derby announced the club's search for a successor was "well under way", while former Rams midfielder Robbie Savage labelled the move to dismiss Clough an "absolutely ridiculous decision".
Nottingham Forest manager Billy Davies, also a former Derby boss, would have been in the dark about his former club's plans for Clough.
Davies used his post-match press conference to take a swipe at some of the criticism he feels Forest have taken this season, before praising his players for winning ''an important three points.''
''It is a good win for us and I am obviously very pleased,'' said the fiery Scot. ''I have to say, it was against a side that, they tell me, are making very good progress - and this one is a shambles.
''I am absolutely pleased about what we are doing so far and now we move on to the next one.
''We were disappointed before the game to have lost (Kelvin) Wilson, (Jamie) Paterson and (Nathaniel) Chalobah. That was a big blow for us.
''And we were even more disappointed to have lost (Guy) Moussi during the first half, that was a big blow for us also.
''We should have scored more goals, because we missed a penalty as well. But, overall, it was a very important three points.
''It was tremendous for the fans to get the bragging rights back because they have not had those for a number of games.''
Clough's own positivity following a third defeat in eight games proved misplaced as the sack followed hours after the final whistle.
Hobbs' winning goal came when he headed home four minutes before half-time to preserve Forest's unbeaten record at the City Ground and inflict a first away defeat of the Sky Bet Championship season on Clough's side.
The margin of victory could have been greater than 1-0 had Darius Henderson not fluffed both a second-half header and a late penalty, which was brilliantly saved by goalkeeper Lee Grant.
Derby, who had captain Richard Keogh sent off for the challenge on Chris Cohen that resulted in the spot-kick, created very little in way of scoring opportunities.