Original sentence: In 2006, Márquez attempted to regain a title, coming up short in an unanimous decision loss to undefeated Indonesian boxer Chris John for the WBA Featherweight Championship title.The loss led to the Ring Magazine's removal of Márquez from its pound-for-pound top 10 list
Edited sentence: In 2006, Márquez attempted to regain a title, coming up short in a controversial decision loss to undefeated Indonesian boxer Chris John for the WBA Featherweight Championship title.The disputed decision led to the Ring Magazine's removal of Márquez from its pound-for-pound top 10 list