The Astros’ Carlos Correa hits a walk-off home run against the New York Yankees during the 11th inning in Game 2 of the American League Championship Series on Sunday in Houston. (AP photo)

HOUSTON — In a battle of the bullpens, Carlos Correa felt the greatest relief.

Injured down the stretch and slumping this month, Correa hit a leadoff home run in the 11th inning that lifted the Houston Astros over the New York Yankees 3-2 Sunday night, tying the AL Championship Series at one game apiece.

Correa, who earlier lined an RBI double and made a sensational play at shortstop, connected for an opposite-field shot to right off J.A. Happ.

“Not playing a couple of weeks before the playoffs and then not producing for my team offensively, obviously it’s tough, getting hurt and everything,” the All-Star said. “But it’s all worth it for moments like this, moments like this where you give your team a chance to win every day, it’s worth it, man.”

Hours earlier, Correa was confident this would be the day he turned things around. About time, too, after starting out 3 for 22 in the postseason after returning from back problems.

“I’ve got my swing back,” he said then. “I’m going to hit a homer tonight.”

And with a swing that kept Houston from falling into an 0-2 hole, he did just that.

Correa watched the ball sail, tossed his bat, put his hand to one ear to soak in the roars of the crowd and then held up one finger as he rounded the bases.

The Yankees tied an LCS record by using nine pitchers.

Houston’s five relievers combined for 4 1/3 innings of one-hit shutout ball after taking over for Justin Verlander. Going into this best-of-seven series, the Yankees were considered the better team in the bullpen — the Astros amply held their own in this one.

“Our bullpen was nasty, gave us a chance to win the game,” Correa said.