Zimbabwe star Khama Billiat has not trained with the team since Thursday after picking up a knee injury, Zimbabwean newspaper Sunday Mail reported on Sunday. According to the report, Billiat's injury is not serious but he will miss a Nations Cup warm-up against Tanzania on Sunday. "Khama has a slight problem with his knee and is being monitored by the team doctor," Warriors manager, Welly Mpandare, told The Sunday Mail on Saturday. "That is why he didn't train with the rest of his teammates on Friday night and was also excused for the light session which the others on Saturday. "He will not even feature in the practice match against Tanzania on Sunday but we are getting reports that there is nothing to really worry about, in terms of the tournament itself, and an assessment will be made on Monday." Zimbabwe will face Egypt in the opening game of the Nations Cup on Friday. (For more sports news and updates, follow Ahram Online Sports on Twitter at @AO_Sports and on Facebook at AhramOnlineSports.)