By Richard Martin BARCELONA (Reuters) - Spanish third-tier team CD Tudelano have taken the unusual step of appointing Scottish businessman John Clarkson as coach on an 18-month contract without a salary, the club said on Thursday. Clarkson, who owns a care home business in East Anglia, takes over a side who are ninth in Group 1 of the regionalized Second Division B. The 60-year-old has previous experience as coach of a number of non-league clubs in England and Spain. Local media have reported that Clarkson will invest 50,000 euros ($53,290.00) in the financially-troubled club during his first season and 150,000 in the next one but the Scot has denied that he would be paying to coach the team. More...