This is official. Zamalek SC have beaten rivals Al Ahly in the struggle for the signature of highly rated starlet Maroof Yusuf, 21.<br /><br />The attacking midfielder has appended his signature to a three - year deal with the White Knight , which has effectively ended his four - year association with Police Union.<br /><br />Maroof Yusuf has been a long - term target of Zamalek, who unsuccessfully attempted to poach him last September from Police Union.<br /><br />He sported the colours of Kwara United and Lobi Stars before his switch to Police Union. <br /><br />His contract with Police Union would have expired at the end of next season, assuming he did not shred the agreement.<br />