TKİ Tavşanlı Linyitspor, who have four Nigerians on their payroll, are left without a head coach&nbsp; after Umit Ero Tok tendered his resignation following the recent poor run of results. <br /><br />After the home defeat to Denizlispor on Saturday, Tok decided not to continue his ten - month collaboration with the club based in K&uuml;tahya province.<br /><br />In the ongoing season, the Nigerians - Akeem Agbetu, Nduka Usim, Dele Olorundare and Sani Gideon - have been consistent in the starting lineup.<br /><br />TKİ Tavşanlı Linyitspor have not won a league match since the 2 - 1 away victory over Bucaspor on September 1.<br />