Boys and Wind have Sandown option What`s Up Boys and Blowing Wind could both be heading to Sandown for the attheraces Gold Cup on April 27th and they will be hoping to land the Stg£100,000 bonus which is on offer.The pair, second and third respectively in the Martell Grand National would be in line for the massive bonus should they win the end of season highlight.Philip Hobbs, trainer of What`s Up Boys confirmed: 'What`s Up Boys has come out of the Grand National 100 per cent and will be turned out for a well-deserved rest for a week. The aim is the attheraces Gold Cup and the Stg£100,000 bonus.'The National-placed pair were among 55 who stood their ground at today`s forfeit stage.Irish challengers still in the field include Commanche Court, who was second to Best Mate in this year`s Tote Cheltenham Gold Cup and Mouse Morris` smart performer Foxchapel King.The Sir Robert Ogden-owned pair Marlborough and Ad Hoc are still in the three miles, five and a half furlong contest, as is impressiveCheltenham Festival winner Frenchman`s Creek.Carbury Cross, a facile winner at Aintree last week is also among the entries as is Djeddah, who is the only French runner.Racing Post Chase winner Gunther McBride is another possible for the race.