DP World TourBrian KeoghDecember 14, 2023Horizon Irish Open, Amgen Irish Open, Horizon Therapeutics, Sandbelt Invitational, Hugh Foley, John Murphy Takeover over of Horizon by Amgen means new name for Irish Open Amgen’s recent $27.8 billion takeover over Horizon Therapeutics has resulted in a name change for the Irish Open at Royal County Down next year. DP World TourBrian KeoghDecember 14, 2023Horizon Irish Open, Amgen Irish Open, Horizon Therapeutics, Sandbelt Invitational, Hugh Foley, John Murphy