Super League club Trabzonspor are exploring the possibility of signing Nigeria international Kalu Uche in the summer transfer market.<br /><br /><i>Amkspor.com</i> says there are four candidates - Fred (<span style="" class="notranslate">Fluminense)</span>, <span style="" class="notranslate">Papiss Cisse (Newcastle United), </span><span style="" class="notranslate">Salomon Kalou (Lille) and Kalu Uche (Kasimpasa) - being considered by the leadership of </span>Trabzonspor.<br /><br />But there are difficulties currently being experienced to lure Fred, Cisse and Kalou to Trabzon. <br /><br />In the coming days, a formal offer will be made to Kazimpasa for the acquisition of Kalu Uche. The club is expected to make a bid of at least 2 million euros for the 30 - year - old attacker.<br /><br />&nbsp;Kalu Uche is understood to have rejected a move to Chinese Super League club <span class="st">Tianjin Teda last month.</span><br /><br />Last season, he netted 19 goals in 34 Super League matches.<br /><br /><br />