In 2011, the Coventry City player who signed a contract with Cardiff City was Ben Turner.
For further details, you can refer to the source article here.
How many matches did Coventry City win between October 15, 2011, and February 11, 2012?
Which players from Coventry City were loaned to other clubs during the 2011-2012 season?
How many games did Coventry City win in the 2011-2012 Championship?
Where can one find the fixtures and results for the 2010/2011 season?
Which teams competed in the Championship during the 2011-2012 season?