KARACHI (Agencies) - Former captain Rameez Raja has turned down an offer from the Pakistan Cricket Board (PCB) to work as chief operating officer (COO). "Rameez politely thanked the chairman for his offer and turned it down saying he does not have the time due to his prior commitments as a commentator and expert in the next few months," a reliable source in the PCB said. "Rameez, however, has given his own blueprint to the new chairman on how to improve the Pakistan cricket structure and functioning of the board.