I have a quick question. What happens to the 30% finishing if your player wins the Top Scorer reward, but he retires the following season?
The reward can only be added to that top scorer, so if the player is not in your team in the following season for any reasons, say being sold or retired, then there will be no reward (as it cannot be added on without that player).
Winning is a form of art. Consistently winning is a show-hand of skills and luck.