"Last year he started the season, then I changed the team and he got left out. He was unhappy with my team selection and I was unhappy with his displays," he said.
Birmingham had agreed a £1.5 million fee for Euell following talks with the player but called the deal off yesterday.
Euell was signed for a club-record £4.75million in 2001. He has been out of favour for the past 18 months and has finally lost his patience with a lack of first team opportunities.
Source: South London Press/The Times