Pct = .5 + 1.3*OPSDIFF
That gives them about a .543 pct when it is actually .632. So they have won about 8 more games than expected (they are now 55-32).
Here is what their hitters are doing. Data from Baseball Reference.
Now what the pitchers allow.
Now the OPS differentials. So they play like the 1927 Yankees in High Leverage situations (the Yanks that year had an overall differential of .196).