 2004 was an average year for Blacklock, where injuries kept him off the field for long periods of time.Blacklock returned to help the Dragons at the end of the year, which included scoring crucial tries in the Dragons' round 25 come from behind win against Manly, as well as their narrow loss to the Panthers during the first week of the finals.From 1997 to 2004, Nathan Blacklock played 137 first grade games for the Dragons, scoring 120 tries and 14 goals for a total of 508 points, giving Blacklock one of the best try scoring strike rates of any Rugby League player.