How important is psychology in sports?

What's the gap between winning and losing? What were Russia’s failings in its face off with Slovenia on the way to the World Cup finals in South Africa? In skill, or in mentality?

To reach the upper echelons of the sporting world doesn’t just require physical effort, but mental effort also. As such, sports psychology has become a massive factor in every sporting discipline.

RT’s Robert Vardanian delves into the minds of sporting psychologists.

Watch the VIDEO to learn more.