Kansas City Royals starter Alec Marsh flirted with trouble against the Oakland Athletics on Tuesday night. And a few mistakes cost him in the Royals’ 7-5 loss to the Athletics. “That game is on me,” Marsh said. “I got to get back to work and flush that one.” Marsh allowed seven earned runs in three innings. Athletics outfielder JJ Bleday recorded three doubles and two RBIs. But was Athletics…