AFTER SCORING 2 CENTURIES IN TEST MATCH AGAINST NEWZEALAND HARBHAJAN SHOWED HIMSELF AS AN SLL ROUNDER.SO THAT THERE WAS MORE TEAM DECIDED IN IPL TO BUY HIM.PUNE WARRIORS,MUMBAI INDIANS,DELHI DAREDEVILS WAS HAVING A COMPETION TO BUY HIM FOR IPL4.IN THIS IPL THE ABSENCE OF PUNJAB MADE YUVRAJ SINGH  FOR THE AUCTION.PUNE,BANGALORE WERE HAVING AN COMPETION TO BUY YUVRAJ SINGH.KOLKATTA,MUMBAI WAS HAVING A COMPETION TO BUY YOUSUF PATHAN.