Please answer the following question: What type of details about john ritson can be gathered from the following bio? Bio: john ritson -lrb- born 6 september 1949 -rrb- is an english-born former footballer , who played as a defender in the football league in the 1960s and 1970s , most notably for bolton wanderers . he joined the club as an apprentice and made his league debut in the 1967-68 season . he went on to play 324 league matches for the club , and was a member of the promotion-winning team of 1977-78 . however , following a contractual dispute he moved to bury in the late 1970s and made over 40 league appearances for them , before moving into non-league football with southport . ritson made 12 appearances for southport in 1980/81 . following the end of his playing career , he ran a newsagents , and as of 2004 he was running his own builder 's firm .
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- clubs - caps - position - years - height - fullname - name - birth place - goals