Answer
The answer is Nikolai Sergeevich Valuev. Born on August 21, 1973, in Leningrad (Saint Petersburg), Russia, Nikolai Sergeevich Valuev is widely recognized as one of the tallest boxers in the history of the sport, earning him the nickname "The Russian Giant." Standing at 7 feet (2.13 m), Valuev became a prominent figure in the heavyweight division, capturing numerous titles during his professional boxing career.