Irish riders head Festival betting Barry Geraghty and Ruby Walsh are joint favourites at 3/1 with Ladbrokes to be the leading jockey at next month´s Cheltenham Festival.Tony McCoy has been the perennial market leader for this coveted title in recent years but the British champion is next best in the lists at 7/2, while Richard Johnson is a 10/1 chance.Geraghty is bidding to follow up a dream Festival last year, and his book of rides include Champion Chaser Moscow Flyer together with Kicking King, Pizarro and Gold Cup contender Keen Leader.Walsh will be supported by the powerful Paul Nicholls stable which boasts Azertyuiop, Rigmarole and Thisthatandtother.