Two mainland players, who were first called up to Hong Kong's World Cup training squad and then later withdrawn, have been reinstated and are likely to take part in the SAR's friendly against Estonia on Sunday. Instant-Dict defender Feng Zhiji and Sun Hei midfielder Zhang Bing, who both come from Guangdong province, will take their place in the SAR's latest international friendly - the local team's third since employing the Dutch 'total football' system last summer. The friendly against 72nd-ranked Estonia is part of the local team's preparations for March's Asian World Cup qualifiers against Palestine, Qatar and Malaysia. The mainland visitors' initial call-up to the national team in September caused a furore among players who believed that their presence would undermine the efforts of the Hong Kong FA, while suggesting an influx of mainlanders would take their place in the squad. The HKFA's about-turn came after they received word from football's governing body FIFA, which categorised mainland Chinese players - who are allowed to reside and play here by the Hong Kong Government - as 'Hong Kong players'. FIFA has also told the Hong Kong FA that players of any nationality, who have lived in Hong Kong for at least three continuous years and whose spouse or next of kin is a citizen of the Hong Kong, can also represent the national team. Hong Kong's national head coach Arie van der Zouwen said he would call upon the services of several mainland Chinese for March's World Cup qualifiers. Fears of an immediate influx of mainlanders playing in the Hong Kong team were allayed when HKFA vice-chairman Ken Ng said a quota would be imposed to prevent such a thing from happening.