According to the Merriam-Webster's Dictionary and Thesaurus a hero is a) a mythological or legendary figure often of divine descent endowed with great strength or ability; b) an illustrious warrior; c) a man admired for his achievements and noble qualities; d) one who shows great courage.
While the men on this list are not mythological, they are all certainly legendary in their own right. As far as being illustrious warriors, men admired for achievement and men who show great courage, these men certainly portray these characteristics.
The seven players on these slides are ranked in order, and the rankings are certainly up for debate. I hope you enjoy, and of course give me your two cents on where I went wrong in the rankings.