World Pool, the largest commingled horse racing pools created and powered by the Hong Kong Jockey Club (HKJC), will return to the UK for the first time this year on Saturday for the QIPCO 2000 Guineas Day at Newmarket. It will be the first of eight UK fixtures World Pool will offer in the second quarter of the year. All eight races on 2000 Guineas Day will be commingled, with pool betting operators from 28 countries betting into World Pool on seven different wager type--win, place, quinella, quinella place (swinger),...