Caleb Clarke is that rare mix of pace and power that can make for rugby royalty. But, after a breakout season in 2020, he has struggled to hit the peak of his powers that many expected of the now 24-year-old. Caleb Clarke is that rare mix of pace and power that can make for rugby royalty. But, after a breakout season in 2020, he has struggled to hit the peak of his powers that many expected of the now 24-year-old.