 Reg Young the former breeder and owner of 1970 English Greyhound Derby champion John Silver joined the track as a trainer.The track also changed its name to Bletchley with the 1972 Bletchley Derby now an official race in terms of being affiliated to the NGRC.In 1974 Stage Box won the BBC Television Trophy for Natalie Savva and one year later Gwen Lynds won the Greyhound Derby with Tartan Khan, the same year that Reg Young's Silver Sceptre won the Cesarewitch.