By Tom Gott Mauricio Pochettino insists training methods are not behind Chelsea’s ongoing injury battle after another setback saw midfielder Romeo Lavia ruled out for the remainder of the campaign. Lavia will end his debut season with just 32 minutes of playing time to his name. Having arrived unfit, he suffered an ankle injury which kept him out until December, before his short cameo off the bench against Crystal Palace led to a hamstring problem which has seen Lavia sidelined ever since. While the midfielder’s fitness battle may have been the biggest at Chelsea this season, the Blues have fa…