Chelsea midfielder Ruben Loftus-Cheek failed to the England squad for the U21 Euros due to a back injury.
Loftus-Cheek played in a key role during the qualifying campaign for the U21 Euros and his failure to make the team has left the 21-year-old devastated.
“Ruben’s been up with us and spent some time at St. George’s Park, he loves coming away with England and he’s devastated at missing out,” Boothroyd told the FA’s official website.
“But he’s had an ongoing issue which has been managed and it was thought best that for his progress individually, it was important that he had a rest this time and didn’t come with us. We’re working hard with Chelsea and with him to get him back fit as soon as possible.
“We’re disappointed as well because he is a good player and a key player for us, but as he said to me, he’s looking forward to getting himself fit and coming back ready for our next campaign and that first qualifier against the Dutch in September.”