Daniel Farke was a relieved man after Norwich City's late show sunk Stevenage 3-1 on Tuesday in the League Cup - but the head coach admitted it might be a blessing in disguise.

Farke made 10 changes to his starting line up, and the Canaries were pushed hard before romping home in the final quarter at Carrow Road.

The City chief cut a frustrated figure at times before Marco Stiepermann, Christoph Zimmermann and Teemu Pukki fired his squad into round two.

'There were some ups and downs and we will speak about the things that were not world class,' said Farke. 'That is what you expect when you have 10 changes. You will not be immediately in the rhythm. We had some guys making debuts and they were a bit nervous.

'The first half was difficult. We were not able to create many chances but I was actually pleased we didn't have an easy win - that is good for the development of our young players. No, I am pleased overall and everything is okay.

'My body language and what I do at the sideline is not always how I feel inside.

'In the first half I got the feeling I had to be a bit more like a leader and teach the younger players. It is important they also have the feeling it is not just a cup game.

'It is important for the season for us and them. It is quite normal when Max Aarons and Todd Cantwell are together on the left flank they need some help in one or two tactical situations. Especially in the early part of the game but from minute to minute they were better in that regard.'

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Tom Trybull's leg injury will be assessed over the coming days after his half-time exit but Farke feels he is a major doubt for the weekend's Championship trip to Sheffield United.

'A bit concerned about Tom. He got a hit close to the half-time whistle.

'I hope it is just a dead leg,' said Farke. 'It could be a structural injury so we are concerned for Sheffield. Some slight injuries with Marco on his knee and Kenny (McLean) on his ankle. Louis Thompson and Max were struggling at the end with their first 90 minutes. It cost a lot of energy but good for the lads.

'It is always fine margins and of course when you make 10 changes you are a bit concerned about the rhythm of the side.

'I had a good feeling because it was most of the lads involved through pre-season.

'We have to be smart and don't risk any injuries for the Sheffield game and the next weeks. Jordan Rhodes played two 90 minutes close together after 14 months when he hadn't played a lot of football.

'We wanted to rest Dennis (Srbeny) a bit more. We want lots of competition in the squad and the lads who come in have to put pressure on the others.'