Cameron Green (AFP Photo) NEW DELHI: Australian all-rounder Cameron Green emerged as the biggest attraction at the IPL auction underway at the Etihad Arena, with Kolkata Knight Riders snapping him up for a staggering Rs 25.20 crore. The buy made Green the most expensive overseas player in the history of the tournament.Once the bidding crossed the Rs 25 crore mark, Green surpassed the previous overseas...