article: Luke Shaw has conceded his debut season at Manchester United has been a frustrating one and admits he doesn't know what he would do if he scored against boyhood club Chelsea on Saturday. Shaw joined United last summer in a £31.5million transfer from Southampton after an impressive campaign on the south coast, which resulted in him playing for England at the World Cup. However, injuries have plagued the 19-year-old's start to life at Old Trafford with the defender picking up his latest fitness setback during United's 2-1 FA Cup sixth-round exit at home to Arsenal last month. Luke Shaw admits he has endured a 'frustrating' debut season at Manchester United giving himself a 'C-' The 19-year-old's campaign has been beset by injuries since joining from Southampton last summer . Shaw (second left) is back  training with United after missing their last five Premier League games . In total, Shaw has only made 17 appearances in all competitions - a figure he admits is less than satisfactory. “It’s been a frustrating one because of the injuries I’ve picked up but I’m loving it,' he told Match of the Day magazine in an exclusive interview. 'If I was to write a school report on my first season here I’d give myself a C-. You don’t realise just how big Man United is until you’re actually here – it’s frightening! It is the biggest club around.' Despite an injury-plagued beginning under Louis van Gaal, when fit Shaw describes himself as 'lucky' to be playing alongside players such as captain Wayne Rooney and record-signing Angel di Maria. Shaw (right) has made only made 17 appearances in all competitions for the Red Devils at present . Shaw last appearance for United came in their 2-1 FA Cup sixth round exit at home to Arsenal last month . Shaw was speaking exclusively to Match of the Day magazine - on sale between April 14-20 . 'I’m playing with the likes of Wayne Rooney, [Angel] Di Maria, [Radamel] Falcao and it’s weird because my friends always talk about them, saying how good they are and I’m just thinking “Wow, I play with them!” I’m probably one of the luckiest 19-year-olds to be alive,' he added. Shaw missed United's 4-2 demolition of Manchester City on Sunday as he continues to recover from the injury picked up on FA Cup duty against Arsenal. United's No 3 was back in training prior to the Manchester derby as the Red Devils moved four points clear of their rivals in third place in the Premier League. Van Gaal's men are now looking to record their seventh league win in a row when they travel to table-toppers Chelsea on Saturday evening. And Shaw, who grew up supporting Chelsea, is hoping to play a part in that fixture - adding that it is his favourite away ground to play at. 'I used to watch Chelsea every week. It was really good when I got to play at Stamford Bridge, I would say that’s my favourite away stadium to go to. Chelsea is one of the first games I look for when the new fixtures come out. 'I haven’t scored yet so I don’t know. If my first goal was to come against Chelsea I’m not sure what I’d do.' Shaw is relishing the prospect of facing boyhood club Chelsea at Stamford Bridge on Saturday evening . You can read the full interview with Manchester United left-back Luke Shaw in this week's Match of the Day magazine, on sale between April 14-20.
highlights: Luke Shaw has made just 17 appearances for Manchester United .
  Shaw joined  United from Southampton last summer .
  The 19-year-old's start at Old Trafford has been beset by injury problems .
  United travel to Premier League leaders Chelsea on Saturday evening .
  Luke Shaw: United players pranked Ashley Young after bird poo incident .
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