Original sentence: Emilio Ferrera, a belgian coach, worked in Panthrakikos during 2008-09 when the club participated in Super League Greece for the first time in its history.has been the most important coach in the history of the club (seasons 2004-05, 2005-06, 2nd half of season 2006-07 and 2007-08)
Edited sentence: Emilio Ferrera, a belgian manager, worked in Panthrakikos during 2008-09 when the club participated in Super League Greece for the first time in its history.has been the most important manager in the history of the club (seasons 2004-05, 2005-06, 2nd half of season 2006-07 and 2007-08)