Peterborough boss Darren Ferguson was left hugely frustrated after his side were held to a 1-1 draw at Burton.
Burton boss Nigel Clough felt his side should have won by more than the 3-2 scoreline at Southend.
Ipswich manager Paul Lambert said his team produced their “best performance” of his time in charge after they went behind early on before thrashing Burton 4-1.
Oxford boss Karl Robinson hailed an “angry” second-half performance as Matty Taylor’s stoppage-time equaliser earned his side a 2-2 draw at Burton.
Burton will be without striker Oliver Sarkic for the Sky Bet League One visit of Oxford to the Pirelli Stadium.
Rotherham manager Paul Warne has told his players to perform better even though they kept hold of top spot with a battling 3-2 win against Burton.
Burton boss Nigel Clough was relieved to hear the final whistle as his side produced a second 1-0 victory in four days to propel them into League One’s top six.
Northampton boss Keith Curle was understandably delighted to see his League Two side pass a tricky test against League One Burton to ease into the fourth round of the FA Cup with a 4-2 victory at the Pirelli Stadium.