Group leaders Persipura Jayapura of Indonesia admit they are concerned by the threat offered by Mateja Kezman and Nicky Butt for their penultimate AFC Cup Group H match.
Source: Persipura focused on Kezman, Butt (http://www.fifa.com/worldfootball/clubfootball/news/newsid=1428497.html?cid=rssfeed&att=)