Daryl Jacob will partner Pineau De Re when the horse goes in search of back-to-back victories in the Crabbie's Grand National on Saturday week.
Leighton Aspell steered Dr Richard Newland's 12-year-old to Aintree glory last year, but is unavailable after trainer Oliver Sherwood confirmed Many Clouds an intended runner in the world's most famous steeplechase.
Kingston Hill's early-season preparations have been derailed by injury, said trainer Roger Varian.
The Ladbrokes St Leger winner has sustained a leg problem but will still be campaigned with the conditional aim of running in the Prix de l'Arc de Triomphe at Longchamp in the autumn.
The flat season kicks off at Doncaster today and we will look to get in amongst it this season, as last year it went over our heads a bit at times. Along with some value E/w bets in the big Doncaster races, we have a novice hurdle bet at Straford too.
Tommy Stack tends to do well on turf at this time of year and his runners at the Curragh are worth a second glance on Sunday. The yard has sent out 20 winners from 92 turf Flat runners in Ireland (21.7% strike-rate) during the month of March and backing them all blind would have returned a profit of £43.41 to a £1 level stake. Back in 2010 he sent out four from four at this meeting (10-1, 7-1, 6-1 and 9-2) but this system has not proved so lucrative in recent years.
The flat season begins in earnest this Saturday with the £100,000 Lincoln Handicap providing an ideal springboard for the summer ahead. We've worked through the 22 horse field and pinpointed a likeliest winner, two dark horses and a live outsider at the bottom of our horse-by-horse rundown!