Sale's Steve Diamond says title rivals Exeter are best side in the competition

First plays third in what could be rehearsal for Premiership finalRob Baxter says Exeter will be unfazed by favourites tagSaracens’ relegation has long since been confirmed but the race to replace them as champions comes into sharper focus this weekend. Bristol, with their huge bank balance, have designs on taking their place as England’s leading light in the long term and sit second in the table, but Exeter’s trip to Sale on Friday pits first against third in what many believe will be a dress rehearsal for October’s Premiership final.Exeter, still sore after missing out on two titles during t…