Which club does Brett Emerton play in that competes in League One?
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.
i don't know