Arsenal youngster Louie Copley has confirmed that he has suffered a serious knee injury. However, just moments after coming on against Betis, the teenager went to ground in pain, and everybody’s worst fears have now come true. Photo by Catherine Ivill – AMA/Getty ImagesLouie Copley says he has ruptured his ACL after injury during Arsenal vs Real BetisLouie Copley was making a brilliant name for himself in Arsenal’s pre-season. MORE ARSENAL STORIESWith Arsenal short of bodies at right-back, there was a small yet realistic chance for the 19-year-old to make an impression, but those dreams have been shattered. “The road ahead won’t be easy, but I’ll give everything to come back stronger and better.”