Andy Hinchcliffe looks at Derby's managerial switch, in-form QPR and Burnley, and rampant Preston.
Peterborough forward Lee Tomlin has been ruled out for at least a month with the injury he suffered against Sunderland.
Peterborough continued their impressive start with a 1-0 win to hand Rotherham to their first league defeat of the season.
Manager Darren Ferguson was happy to claim all three points after watching his Peterborough side play second fiddle to Rotherham.
Team news for Saturday's League One clash between Rotherham United and Peterborough United at the New York Stadium.
Peterborough have completed the signing of former striker Paul Taylor on a short-term loan deal from Ipswich.
Sunderland eased their way into the fourth round of the Capital One Cup with a 2-0 win against League One Peterborough.
Sunderland began life after Paolo Di Canio with a comfortable win over Peterborough as Tottenham thrashed Aston Villa.
Nine-man Peterborough claimed a 2-1 derby win at London Road by condemning MK Dons to their first defeat of the season.