The Astros' Brian McCann reacts after hitting an RBI double...

The Astros' Brian McCann reacts after hitting an RBI double during Game 6 of the ALCS against the Yankees on Oct. 20, 2017, in Houston. Credit: AP / David J. Phillip

LOS ANGELES — Brian McCann couldn’t be more thrilled to be in his first World Series at the age of 33.

And the former Yankees catcher is still shaking his head in amazement at the team his Astros vanquished in a seven-game ALCS. “For them to be where they’re at is so impressive,” McCann said of the Yankees on Monday.

McCann’s trade to the Astros last season was the completion of the Yankees’ all-in commitment to youth, and he has consistently praised his former organization.

“You look at the young guys that they have, they’ve all taken the next step,” said McCann, whom the Yankees paid about $5.5 million this season as part of the deal with Houston. They’ll pay him about the same next season, too.

“What Aaron Judge did this year, I felt put them over the top . . . [Luis] Severino took the next step, and he didn’t only take the next step, he took the next step into ace.”

McCann, never one to use 20 words when 10 will do, was just getting warmed up. “Didi [Gregorius] keeps getting better and better,” he said. “All those things hit and then [Brian] Cashman did an amazing job bringing guys in. He strengthened the bullpen and you saw it; they’re one game away from reaching here. The future’s bright. The farm system they have is top three, top five in the game. They’re going to be really good for a long time.”

McCann did his share to keep the Yankees out of the World Series, going 3-for-6 with three RBIS in ALCS Games 6 and 7.

“This is something that you always hoped would happen, but there’s a lot of things that have to happen for you to get here, and it’s a long road,’’ McCann said of his first World Series. “We have such a talented team, I’m very thankful to be a part of it. You look around and we have some of the best players in the game on this team and they’re in their prime. It’s a pleasure to watch every day.’’

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