Yankee runs scored in last 4 wins:
4
3
3
1
Before this, they've also won 2-0, 2-1 and 3-1 in 3 of their 11 wins.
The Sox have scored 4,1,2,1 and are 1-3 in their last 4 games.
I'm not trying to say it's all about offense or pitching: it's both along with a little luck.