By Matt Hardy The weekend’s Premiership action saw a battle at the top, a dominant West Country performance and major controversy. Here are four takeaways from the four matches in round eight. Master versus apprentice Yesterday’s match between Saracens and Sale Sharks had a multitude of storylines running through it. It was first versus second, the master – in Saracens’ director of rugby Mark McCall – and the apprentice – McCall’s former assistant Alex Sanderson, who is now at Sale Sharks – and it was the match where Alex Goode broke Saracens’ appearance record with his 339th run-out for the s…