There have been 18 Irish-trained winners at each of the last three Cheltenham Festivals and the early betting suggests that it will be something similar next week as there is an Irish favourite in at least 20 of the 28 races.At time of writing, champion trainer Willie Mullins has 10 favourites. Leading owner J.P. McManus also has 10. These two giants of the game combine for four market-leaders, namely Majborough (Tuesday), Kopeck De Mee (multiple entries), Fact To File (Thursday) and Dinoblue (Friday).