Test Match Special

Jonathan Agnew, Sir Alastair Cook and Michael Vaughan review the third day's play in St Lucia, as England tighten their grip on the final Test. Joe Root returns to form with a century and explains why it's a bittersweet moment. Fresh from his maiden half-century, Joe Denly tells us about his hopes of establishing himself as a Test regular. And Sir Alastair faces a grilling at the hands of the Cricket Social listeners.