A fee has been agreed with local League One rivals Tranmere Rovers, who started his career with Newcastle United.
Technical Director Dario Gradi official website www.crewealex.net 'Our number one target is Calvin Zola and that has always been the case. We feel he is the big one that will make a difference to us. We hope that will be resolved in the next fortnight when we will be asked to attend a hearing over his work permit application.
'That appears the only stumbling block and we hope it will be resolved in our favour.'