Over the last three years Frankel (GB) and Dubawi (Ire) have handed the sires' championship back and forth between each other, and they rule supreme as the two most expensive stallions in the world this year at £350,000. While Darley's Dubawi duly provided the winner of the first British Classic of the season when Notable Speech (GB) became his fourth in that particular race - an achievement that is unrivalled in the post-war era - it was Frankel's Juddmonte friend and rival Kingman (GB) who had the bragging rights on...