Conversation so far:
When did Gennady Golovkin boxing career start?
After ending his amateur career in 2005, Golovkin signed a professional deal with the Universum Box-Promotion (UBP) and made his professional debut in May 2006.

Question: Does it say any of his opponents names?
Self-contained rewrite: Are any of Gennady Golovkin's boxing opponents names mentioned?