There are times when the best thing for a side is an uneventful win. Titles are won less in the big set-piece games than against mid-table teams in the easily forgotten circumstances of a Saturday afternoon. Arsenal weren’t brilliant against Sunderland , but they were good enough to win comfortably, and that increases their lead at the top of the table to nine points, adding a degree of extra pressure to Manchester City’s Sunday visit to Liverpool. “They’re really tough opponents, really good