The Giants had the ball at the 2 with 1:32 left, but instead of trying to score a touchdown, they knelt three times before kicking the winning field goal. Why?

Ben McAdoo put it as simply as he could: “We didn’t want to give Drew the ball back.”

So rather than go up by a touchdown with even a tick of time remaining, he decided to play the clock and have Josh Brown kick the 23-yarder.

A little unorthodox, no?

Maybe. “It’s funny, everybody becomes an offensive coordinator on the sideline,” linebacker Jonathan Casillas said. “ ‘I don’t know if I would have done that! I don’t know! I might have scored a touchdown, I don’t know!’ It’s funny. But when you win a game and come out on the winning side, it’s good to be able to joke about stuff like that.”

Earlier, when it was scoreless, McAdoo went for a touchdown on fourth-and-goal, but it failed. Any regrets?

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“I’d do it again,” he said.

When was the previous time the Giants blocked a field goal and returned it for a TD?

Dec. 7, 2008, when Kevin Dockery blocked an Eagles try and returned it 71 yards for a score. Sunday’s wasn’t a one-man show like that was, but it did account for the only Giants touchdown in the game. Janoris Jenkins, who returned the block by Johnathan Hankins 65 yards for a 7-0 lead over the Saints, said, “I just heard the hand hit the ball and I just went looking for the ball and it was a perfect bounce and I just scooped and scored.”

Was Jenkins surprised that the kick was blocked?

Nope. “We thought we could get one because the wings open up wide and then turn their backs, so our special teams coach preached all week that we could possibly get a blocked field goal,’’ Jenkins said, “and it happened.”

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How long did it take Leon Hall to get his first NFL sack?

One hundred and 22 games. It took signing with the Giants for the former Bengal to get his first sack, as he came on a blitz and brought down Brees. The Giants had two sacks, both by safeties on blitzes. Landon Collins also had the first of his career (although he had to wait only 17 games).

Any update on Saints cornerback P.J. Williams?

He suffered a scary injury when he was kneed twice in the back of the head while trying to tackle tight end Larry Donnell in the first quarter, leaving him motionless on the field. The game came to a halt while medical staff from both teams tended to him. “That was scary, man,” Donnell said. “You get banged up and your first reaction is to kind of move around and make sure you’re all right. He just there. It was a bad sight to see.”

He eventually was immobilized on a back board and carted off the field. The Fox broadcast reported that Williams was able to move his extremities after leaving the field and was taken to a local hospital to be evaluated for a concussion. Not knowing that at the time, though, left the Giants shaken. “Usually they give a thumbs up,” Casillas said. “I didn’t see a thumbs up.”

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Any injuries for the Giants?

Starting right tackle Marshall Newhouse left with a calf injury and walked out of the locker room wearing a boot on his lower leg. He’ll be evaluated further Monday. The Giants have options if he is unable to play for a while. Bobby Hart replaced him in the game and the Giants also have veteran Will Beatty, who was inactive for the second straight game. Safety Mykkele Thompson, who played in his first regular-season game, left with a knee injury.

How close was Jason Pierre-Paul to missing the game?

He would only smile at the question after missing two practices this past week with a shoulder injury that left him listed as questionable for the game. “It was hurting, but it is what it is,” JPP said. “I’m not trippin’.”

He and fellow defensive end Olivier Vernon both played hurt. Vernon had a large wrap on his left wrist to help an injury he suffered last week.

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Is Odell Beckham Jr. stoked to renew his rivalry with Josh Norman in the next game?

It doesn’t sound like it. “We play the Redskins,” Beckham said. “Looking forward to it. 2-0 going into the division, playing the Redskins, it’s going to be a fun game.”