Mine That Bird, the gelded son of Birdstone who won the Kentucky Derby at 50-1, has been the subject of several purchase offers, I was told today. “It won’t take ridiculous money to buy him,” the source said, “although it’s a lot of money to pay for a gelding.” I estimated that it would take between $4 to $5 million to land the prized gelding, and my source didn’t disagree. He said he knew of one offer that had been rejected by the gelding’s ownership because it was below that level. Will they actually sell? I asked. “I believe they will,” he said.