Liam Williams leads Wales to South Africa win and first clean sweep

• Wales 20-11 South Africa• A ninth successive win is their best run for 19 yearsThey do not count for anything substantial, these autumn internationals, but to complete a clean sweep in such a series for the first time can do Wales no harm at all, what with the World Cup less than a year away. With this win, their fourth and most impressive of the month, they consolidate their position at number three in the world rankings – another irrelevance, but what confidence they seem to be developing, just as Warren Gatland’s long reign reaches its denouement.And what depth. Ellis Jenkins became the l…