What is the fine-grained topic of the following text: It is a shame that Cameroon, South Africa and Egypt did not make it however , their failure to qualify means that players Samuel Eto’o who is now 29, Steven Pienaar, Abou treka and Yakubu Ayegbeni join the list of potential stars who could retire form international football. Only return the topic.
Failure of specific African football players to qualify for international football