Are you comparing Delpo/USO with Nadal/RG???? No Delpo and no nobody else would stop that Rafa, in USO 10. And Rafa always prooved he is unbeatable in RG for 7(SEVEN) fucking years!!!! Delpo is just a slam flucker!!!
easy there bucko, if you make a revision of Del Potro's progress throughout the whole 2009, you'll see that winning the USO was in the cards, and people were talking at the time saying he could get to the final and so on.
It was no fluke
have a nice day