David Moyes has told Kalvin Phillips what he now has to do to get back to his best. Despite leaving Manchester City in the January transfer window to get his career back on track, Kalvin Phillips has continued to struggle since joining West Ham United on loan. The 28-year-old has played just seven times for the Hammers but has yet to complete a full 90 minutes. Phillips received yet another blow to his confidence on Sunday when he was hooked at half-time in the 2-2 draw with relegation strugglers Burnley. However, David Moyes believes the defensive midfielder can still rediscover the form that…