Complex sentence: However, during the 2004-05 seasons he faced stiff competition from youngster David Marshall and Magnus Hedman and at the end of the season was told by Celtic's then manager, Martin O'Neill, that he would not be first choice for next season.
Split into simpler sentences: However, during the 2004-05 seasons he faced stiff competition from youngster David Marshall and Magnus Hedman. At the end of the season, Douglas was told by Celtic's then manager, Martin O'Neill, that he would not be first choice for next season.