Boston Red Sox defeat Seattle Mariners, 8-4

The Red Sox had needed to win the final game of a series to avoid a sweep three times this season, and all three times they had won.

None of those victories included a point as dire as yesterday’s seventh inning. The Sox were eight outs away from being swept. Their offense had not produced a run without a homer in the past 15 innings. They faced one of baseball’s toughest bullpens.

Under those circumstances, the Red Sox felt comfortable. Jason Bay said he has never play...