By BEN JAYCOCK

Sam Warburton believes fitness and management of ball in play time could be the difference in this World Cup.
Warburton, who won 74 Wales caps and captained the Lions in 2013 and 2017, says teams with destructive but less mobile packs like South Africa will want a lower ball in play time, while the more athletic and dynamic sides like Australia, New Zealand and Wales will want it to be as high as possible.
Warburton said: “Fitness levels are heightened when Wales play Portugal for example. You’re going to see a much bigger gulf then, but some smart teams who don’t pride the...