Greinke career vs NYY:
15 G, 12 GS, 4-4, 5.05, 71.1 IP, 68 H, 40 ER, 55 K, 27 BB
At old Yankee Stadium:
4 G, 3 GS, 0-2, 8.82, 16.1 IP, 26 H, 16 ER, 13 K, 10 BB
At new Yankee Stadium:
2 G, 2 GS, 0-1, 11.57, 7.0 IP, 7 H, 9 ER, 7 K, 6 BB
Assuming my math is good, his numbers then vs the Yankees away from NY:
9 G, 7 GS, 4-1, 2.81, 48 IP, 35 H, 15 ER, 35 K, 11 BB