They are the Comeback “Kids.’’

This is much more than a comeback for Mark Teixeira, 35, and Alex Rodriguez, who turns 40 Monday.

Teixeira has put himself in the MVP conversation. He is fourth in the AL in home runs with 24, third in RBIs with 65 and fifth in OPS with a .918 mark. Teixeira already has two more home runs and two more RBIs than he did in 2014.

His defense at first base has been spectacular.

What has Teixeira’s impact been this season for the AL East-leading Yankees?

“Three letters, he’s the MVP of the league,’’ Rodriguez told The Post Wednesday night before the Yankees beat the Orioles, 4-3 at Yankee Stadium with both Teixeira and A-Rod crushing home runs.

“Tex is such a professional, he is one of my favorite teammates ever and I saw him as a kid when he came up with Texas, so I’m emotionally connected to him,’’ Rodriguez said.

Teixeira’s home run was a two-run shot in the first. Rodriguez’s titanic blast, a 453-foot drive into the left-center field bleachers in the fifth, was his 20th home run, making him one of only 10 players to reach that mark for the 16th time in his career.

Rodriguez spent 2014 on the sidelines suspended. Teixeira was battling his way back after wrist surgery.

After the game, Rodriguez said: “I can’t say enough about Tex. To me, he’s the MVP of the league on both sides of the ball. [Wednesday] night he drove in four runs, two on offense and two on defense.’’

As for his rocket, A-Rod jokingly said: “I wished you got more points for distance, but it’s just one point.’’

Teixeira said it has been a blast having Rodriguez back.

“Alex is a great teammate. He cares about winning. He’s a guy who is always willing to help out young players,” Teixeira said. “He’s been through as much or more as any player could ever go through on and off the field, so he brings a lot of experience to a team.’’

Later he added with a smile, “I was on the record in spring training saying I expected a lot out of him. And he is showing I’m the smartest guy in baseball.’’

Of Rodriguez’s homer, he said, “It was loud, it went a long way. I think everyone enjoyed that one.’’

The key for this second half is to keep both players healthy.

Andrew Miller has watched Teixeira and Rodriguez excel as teammates and as opponents.

“Those are Hall of Fame players and they are going to help anybody out,’’ the closer said. “The fact that they are healthy and playing to their capabilities is huge.’’

Teixeira also doubled in the eighth, his fourth straight multi-hit game.

At the All-Star Game in Cincinnati, Teixeira was asked about being in the MVP race and said, “Those votes are probably cast for other guys. I’m having a good season but not even close to an MVP season. I could go off in the second half but right now I’m just happy to be where I am.’’

Orioles center fielder Adam Jones made this pronouncement about Rodriguez: “I said he was going to rake, I didn’t say he was going to have a good year, I said he was going to rake.”

Rodriguez owns 54 RBIs. With the home run he moved ahead of Lou Brock into 24th place on the all-time hit list with 3,024.

“The big reason why the Yankees are where they are at is because of that man right there,’’ Jones said.

“When they were saying A-Rod was going to DH and hit seventh or eighth I was saying, ‘Are you kidding me?’ He’s hitting third. At the end of the day he can still hit. His numbers warranted being an All-Star.

“The knowledge he has is incredible, 20 years in the game. It’s the mentality that keeps you here and let’s you flourish.”

Jones said of the AL East race: “Whoever is the most efficient, will win it.’’

Teixeira and Rodriguez, the Comeback Kids, have been most efficient.