By Jacob Leeks Eric Dier has admitted he regrets not doing more to help former team-mate Dele Alli amid his off-field struggles. Last summer, Dele sat down Gary Neville for a hard-hitting, emotional conversation that left the Manchester United legend in tears. In the interview, Dele told Neville how he was molested at just six years of age. He also disclosed that he started smoking at seven and selling drugs at eight. Dele further shed light on how he checked himself into a rehab facility while on loan at Besiktas after becoming addicted to pain killers. The midfielder then revealed that he ha…