All teams do this to some extent, but the Sox seem to corner the market on it, every season.
The Yanks have won 27 games by 5+ runs and 24 by 6 or more runs. They even scored 7 or more runs and lost 5 times.
Yankee big wins:
12 (15-3, 13-1)
11 (20-9, 11-0)
10 (12-2, 13-3)
9 (11-2, 9-0, 12-3, 12-3, 11-2)
8 (10-2, 10-2, 9-1, 10-2)
7 (12-5, 10-3)
6 (10-4, 11-5, 8-2, 7-1, 10-4, 7-1, 9-3)
In the Yankees 17 biggest blow-outs (7 or more runs, they outscored their opps by 157 runs!
Wins by 6 or more runs
29% Yankees: 24 of 83 wins
23% Red Sox 19 of 81 wins