Back in the day a championship fight used to go fifteen rounds.

Not twelve like it is today.

It was reduced for health reasons and was the correct decision of course.

The medical side of boxing has vastly improved since then.

However many fighters believe if it was still fifteen rounds today it would suit some more than others.

One fighter from the UK, Carl Froch for instance, always did his best work down the stretch of a championship fight.

Muhammad Ali also fought ferociously in those rounds twelve to fifteen during his career.

Modern day young champion and star in the sport Gervonta Davis has put in fifteen rounds of sparring here in preparation for his next bout.

Still focused on getting straight onto the heavy bag after:

(Hat tip EsNews YouTube)