Which club does Brett Emerton play in that competes in League One?
Brett Emerton: Brett Michael Emerton (born 22 February 1979) is a retired Australian professional footballer who played for Sydney Olympic, Sydney FC, Feyenoord Rotterdam, Blackburn Rovers and the Australian national team. Blackburn Rovers F.C.: Blackburn Rovers Football Club is a professional association football club based in Blackburn, Lancashire, England. Blackburn Rovers F.C.:  The club competes in League One, the third tier of the English football league system, following relegation from the Championship at the conclusion of the 2016–17 season.
Blackburn Rovers Football Club