Complex sentence: Critics felt that the pitch gave the club an advantage, but in 1991 Royle responded to this when the Portsmouth manager declared that Oldham couldn't play away, he stuck the article to the dressing room door and the team responded with a 4-1 victory.
Split into simpler sentences: Critics felt that the pitch gave the club an advantage, but in 1991 Royle responded to this. When the Portsmouth manager declared that Oldham couldn't play away, Royle stuck the article to the dressing room door and the team responded with a 4-1 victory.