Baik, who had been floored and received a standing count of eight, was helplessly facing a flurry of blows from the world junior champion when the referee saved him from further punishment by ending the contest.

CNN: Khan punches his way into history

De la Hoya landed with a flurry of body blows in the sixth, although Mayweather was scoring all the time with pot-shots from range.

BBC: Mayweather overcomes De la Hoya

And when he caught Kristjansen with a lightning flurry of shots, the Dane went over and Khan moved in to finish off the job, landing some blows while his opponent's knees were sagging.

BBC: Khan stops Kristjansen in seven