Nigeria U23s coach Samson Siasia has admitted there were defensive frailties in his side<span class="st">&rsquo;s opening game at the Olympic Games against Asian champions Japan on Thursday.<br /><br />With Oghenekaro Etebo netting his fourth goal in the 66th minute, the Dream Team VI thought they were home and dry but were wrong, with the opponents scoring twice to reduce the deficit to 5-4.<br /><br /></span><span class="st">&ldquo;Let</span><span class="st"><span class="st">&rsquo;</span>s make corrections . Let</span><span class="st"><span class="st">&rsquo;</span>s be organized so we can do an even better performance in the field. We have to win the next game, </span><span class="st"><span class="st">like all the games, </span></span><span class="st"><span class="st"><span class="st">&rdquo; Samson Siasia told reporters at Saturday</span></span></span><span class="st"><span class="st"><span class="st"><span class="st"><span class="st">&rsquo;s</span></span> press conference. </span></span><br /><br /></span><span class="st"><span class="st">&ldquo;</span>We made many mistakes in the defense sector , and we have to be careful with it.</span><span class="st"><span class="st"><span class="st">&rdquo;<br /><br />The game between Nigeria and Sweden kickoffs at 2300 hours Nigerian time on Sunday. <br /><br />Igho Kingsley <br /><br />Photo Credit : thenff.com<br /></span></span></span>