MLB

‘Flat’ A.J. has another bad day

BALTIMORE — A.J. Burnett basically admitted he was ashamed.

The Yankees’ $82.5 million righty continued his current mess by getting hammered again last night, serving up a season-worst 11 hits as well as six runs in 5 1/3 innings in the Yankees’ 9-6 win over the Orioles. Burnett, who got a no-decision, is 0-4 with an ugly 6.54 ERA in his past seven starts. He hasn’t won since July 27.

Box score

Burnett had as much trouble facing the Yankees hitters in the dugout and the clubhouse last night as he did facing the Orioles on the mound.

“That’s the difficult part, is looking these guys in the eye after they give me a couple leads and then I blow it and get a lead and then blow it,” Burnett said. “It’s tough.”

Joe Girardi called Burnett’s pitches “flat,” and Burnett declared he “didn’t have anything.”

“Who’s going to be happy with not winning a game in a month?” he said, but it actually has been longer than that.

Two batters into the Orioles’ first inning, Baltimore led 1-0 thanks to Felix Pie’s homer. Burnett was seen yelling afterwards, and Pie and Orioles bench coach Dave Jauss were seen to be yelling back. Burnett said he was simply saying to himself, sarcastically, “That’s the way to hit a spot.” He said he didn’t realize Pie and Jauss were yelling.

“I don’t know what they thought I said,” Burnett said.

Two innings later, Burnett served up two more runs when he loaded the bases on a single and two walks, then surrendered Melvin Mora’s two-run single to tie the game at 3-3. Burnett had his worst moment in the fifth, failing to cover first after Mark Teixeira made a terrific diving play to knock down Nick Markakis’ grounder. Teixiera flipped the ball to the teammate he assumed was covering, but nobody was there. Teixeira held out his hands, exasperated.

“I should have been over there,” said Burnett, who believed the grounder was foul. “It ended up hurting me.”

Sure did. Two batters later, Luke Scott crushed a three-run homer to put Baltimore ahead 6-5.

Last night was Burnett’s first time working with Jorge Posada since their infamous not-on-the-same-page game at Fenway Park on Aug. 22, and they didn’t have success last night either.

“I believe in A.J. and I know A.J. will pitch well,” Girardi said.

mark.hale@nypost.com