Humberto Soto faced hard-hitting junior welterweight Lucas Matthysse. dropped Soto in the fifth round. Soto's corner stopped the bout between the rounds. Professional boxing record See also List of Mexican boxing world champions References External links Boxers from Sinaloa Sportspeople from Los Mochis 1980 births Living people Mexican male boxers Super-bantamweight boxers Light-welterweight boxers Welterweight boxers World Boxing Council champions Featherweight boxers World super-featherweight boxing champions World lightweight boxing champions