Answer
Jermell Charlo has 10-20 knockouts in his professional career. He has been a professional boxer since 2010 and has fought a total of 35 times. He has won 34 of those fights, with 19 of them being by knockout. He has lost one fight, which was a decision loss to Tony Harrison in 2018. He has since avenged that loss by defeating Harrison in a rematch in 2019.