Mets starting pitcher Clay Holmes throws against the Arizona Diamondbacks. AP New York baseball takes center stage Friday night. The Subway Series returns as the Yankees and Mets square off in the first meeting of the season between the crosstown rivals, with this edition being hosted at Citi Field. The Bombers will send Cam Schlittler, the newly established American League Cy Young favorite , to the mound Coming off their first series sweep of the season, the Mets will counter with Clay Holmes, who is pitching like an ace himself, although there’s reason to believe he’s due for a setback. The right-hander owns an excellent 1.86 ERA through eight starts, but little suggests that’s fully sustainable. Holmes’ 3.44 fielding independent pitching (FIP) suggests he’s gotten some good fortune thus far. He’s still not striking out many batters (6.89 strikeouts per nine innings), and he hasn’t shaken his tendency to issue more free passes than he should (2.98 walks per nine innings).…