Alejandra Marina Oliveras, known as "La Locomotora", was an Argentine professional boxer who competed from 2006 to 2015. She won world championships in four weight classes including the World Boxing Council female super bantamweight title from 2006 to 2008, the World Boxing Association female lightweight title from 2011 to 2012, the World Boxing Organization female featherweight title from 2012 to 2013, and WBC female super lightweight title from 2013 to 2014. From Wikipedia
