The critics of Jake Paul challenged him to take on real boxers.
He has now successfully eliminated two of them in the first round.
On Saturday night in San Juan, Puerto Rico, the YouTuber-turned-prizefighter stopped Ryan Bourland via TKO.
Paul delivered a crisp, early jab with his strong right hand to the body.
Bourland was injured by a powerful combination that was put up against the ropes.
Then Paul went all out until the match was stopped by referee Luis Pabon.
The crowd favored Paul, who resides and trains in Puerto Rico.
Paul had defeated Andre August, a journeyman opponent who was comparable to Bourland but less skilled.