Nyorai mberi kweiyi ndima - Herrera akadzivirira mazita ake ose pa2007 ALBA Games muCaracas uye akamhanya nguva yakanakisisa yemasekondi 20.31. Akanga ari wokupedzisira mumamita mazana maviri pa2007 Pan American Games uye akabatsira timu ye relay kusvika kumagumo. Akangova nemwaka wepamusoro we20.81 masekondi muna 2008 uye haana kukwikwidza pasi rose. Herrera akachinja pfungwa dzake kumakwikwi emamita zana mumwaka wa2009 uye akapihwa mubairo nehuwandu hwehuwandu hwe10.16 masekondi, anokunda kuBarrientos Memorial uye 2009 ALBA Mitambo. Akava wechinomwe mumakwikwi ekupedzisira mu2009 CAC Championships
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