KSI says he would 'destroy' Justin Bieber in a boxing ring
He also said he'd be up for fighting Piers Morgan
KSI beat YouTube rival Logan Paul in boxing rematch
Logan Paul had a points deduction from his final score
KSI calls Logan Paul’s boxing workout "pretty standard"
KSI is keeping his own fitness and workout regime very secretive before the rematch
Logan Paul is drinking "the blood of cows" to beef up for his fight
Ahead of the boxing rematch with KSI in November
Logan Paul challenges Conor McGregor to MMA grudge match after KSI
You’ve got to admire Paul’s confidence, right?