Colombia striker Teo Gutierrez has acknowledged that they overcame strong opponents before qualifying for the quarterfinals of the 2016 Olympic Games on Thursday morning. <br /><br />The Sporting Clube de Portugal striker opened scoring after only four minutes against Nigeria, before Dorlan Pabon ensured victory by converting his spot kick in the 63rd minute. <br /><br />&ldquo; ( Brazil ) is a respected rival. We are in the Olympics and think the Olympics. We faced and beat a great team (Nigeria ) . Now is rest. It&rsquo;s a knockout, &rdquo; Gutierrez told reporters. <br /><br />&ldquo;We will face every team with respect and humility, but Colombia has grown in the world in all aspects and has shown it on the field.&rdquo;<br /><br />Nigeria had already secured first place in Group B before their meeting with Colombia. <br /><br />Igho Kingsley <br /><br />Photo Credit : thenff.com <br />