Original sentence: Middlesbrough Football Club, also known as 'The Boro', is an English football club based in Middlesbrough, who will play in the Football League Championship for the 2009–10 season, following relegation from the Premier League
Edited sentence: Middlesbrough Football Club, also known as 'The Boro', are an English football club based in Middlesbrough, who will play in the Football League Championship for the 2009–10 season, following relegation from the Premier League