Guillermo Rigondeaux vs Sod Kokietgym video, was it a sucker punch?

Guillermo Rigondeaux vs Sod Kokietgym in Macau

Many regarded Guillermo Rigondeaux as one of the best pure boxer in the world but not everyone think that he deserve a star treatment because of his boxing style. Last night was a different story, he was able to knockout his opponent from Thailand, Sod Kokietgym, however not everyone think it was a clean punch. Watch the Guillermo Rigondeaux vs Sod Kokietgym fight replay that we saw on Youtube below and let us know what you think?

Was it a sucker punch?