Jacoby Ellsbury’s recent slide continued Sunday with another hitless afternoon in the Yankees’ 5-0 win over Toronto at the Stadium.

The center fielder went 0-for-4 with a strikeout, which followed an ugly Saturday in which he didn’t get a hit in 10 at-bats. Overall, the $153 million leadoff hitter is in a 1-for-25 funk.

“He’s just not squaring the ball up,” said Joe Girardi, who blamed some of Ellsbury’s issues Sunday on facing R.A. Dickey. “It’s hard to say against a knuckleballer. We need to get him going.”

And Ellsbury’s struggles extend beyond facing Dickey. His OPS has fallen to .666 and he hasn’t had an extra-base hit since a home run on Aug. 30.

Rarely seen in the clubhouse, he made a brief appearance after Saturday’s sweep and said only that the Yankees had to “come out with energy” Sunday.

But a black hole at the top of the lineup has taken a toll on an offense that is already without Mark Teixeira for the remainder of the season with a fractured leg.

Before the game, Girardi expressed confidence Ellsbury would return to form soon, adding he had no intention of moving him down in the lineup.

“He’s got too much history of being one of the better leadoff hitters in the game,” Girardi said. “He had a tremendous start and then went through the [knee] injury. He’s had his ups and downs. To me, he’s due to turn and have an up.”

CC Sabathia will make his second start Monday since returning from the knee discomfort that sidelined him for two weeks and said he’s had no issues with his between-start routine.

“Everything feels good with the brace,” Sabathia said. “Just want to keep going.”

If all goes well and Girardi doesn’t need to use Adam Warren out of the bullpen, the right-hander will start on Tuesday.

“If I could map it out, that’s it,” Girardi said.

Warren has been caught in-between since throwing 47 pitches on Wednesday.

“You want to build endurance, but you can’t do too much because you want to be available,” Warren said. “I wouldn’t say it’s easy.”

He’ll stay in his reliever routine Monday.

“You can’t look ahead,” Warren said.

Rob Refsnyder created a stir when he was called up from the minors in July to play second base against left-handed pitchers, but he hasn’t seen the field since being recalled again when the rosters expanded.

“I’m going with the guys that have gotten us here,” Girardi said. “The question is probably going to be around Stephen Drew a little bit. He was extremely hot before this week and I kind of rode him … Now he’s had a tough week.”

Additional reporting by Fred Kerber