Jessica called for revenge, so the "Aussie" took part in a race and pulled off a surprise victory. Thorpe also wanted to challenge Phelps after their disagreement and found the perfect time to do so with a medal on his arm.
The crowd gasped in amazement as Phelps left. in his glorious career where he won 23 Olympic gold medals. The other two amazing men we are talking about here only won three each. In comparison, it looks like a modest return which is why we use the word only.