Aranhill Chief successfully defended his Connacht National crown at Roscommon on Monday evening for Kilcolgan trainer Stephen Mahon with Kevin Sexton on board. Sent to post a 14-1 shot, the winner made most of the running and he found plenty for pressure when challenged late on by the runner-up Sir Abbot to score by a length and a quarter. Aranhill Chief will now be aimed at the Galway festival next month. Winning trainer Steve Mahon gave his reaction to Aranhill Chief’s win…