And the changes worked wonders as Posh delivered a superb second-half showing to reach the last 16 of a competition which has a Wembley final as a prize.
There were some excellent marks for the players and the manager.
Ratings key: 10-Perfect, 9-Outstanding, 8-Very Good, 7-Good, 6-Okay, 5-Poor, 4-Very Poor, 3-Drreadful.
Ratings key: 10-Perfect, 9-Outstanding, 8-Very Good, 7-Good, 6-Okay, 5-Poor, 4-Very Poor, 3-Drreadful.