The 54-year-old was once a mainstay of the Three Lions side, winning 86 international caps between 1979 and 1988.The full-back also starred at the 1982 and 1986 World Cups.But, gambling and drink problems have seen the former Arsenal player end up on the streets.Despite once earning more than £1,000 per week and living in a £1m mansion, Sansom is now penniless.He revealed he has been homeless for 10 days, blaming his addiction troubles."I am just a drunk. I drink as much as I can get," he told a tabloid paper.Both the Professional Footballers' Association and Arsenal are trying to help Sansom.His sister Mary had also been offering him a refuge until recently.Since retiring, Sansom had become a media pundit in between spells in rehab.Having begun his career at Crystal Palace before moving to Arsenal, Sansom also played for Newcastle, QPR, Coventry, Everton, Brentford and Watford.He is England's second most-capped full-back of all-time, behind Chelsea star Ashley Cole.