Where to watch Pacquiao vs Clottey? It can be watched on HBO PPV who cover the said mega event of the year in Cowboys Stadium in Arlington, Texas. Pacquiao vs Clottey undercard named. WBC super featherweight champion Humberto Soto will fight former WBC lightweight champion David Diaz for WBC lightweight title. Other fights are Jose Castillo vs. Alfonso Gomez and John Duddy vs. Michael Medina. The Salvador Sanchez III vs. Roberto Marroquin bout is also part of the undercard will not be televised.