Yankees fail in all big spots in another loss to A’s

OAKLAND, Calif. — J.A. Happ gave up five runs and two homers in four-plus innings, so he certainly isn’t blameless for his team’s second straight loss to the A’s. Yet, the veteran lefty had plenty of company in the Yankees’ 6-4 defeat Wednesday night in front of 22,017 at the crumbling Coliseum. After Happ gave…