Mark Sanchez opened the door and gestured for Woody Johnson to go in first. It was the first public act the former USC quarterback, in his first visit to the Florham Park facility he will begin to call home. His parents and three brothers took seats in the back row, and his mother Olga (wearing a Viva Sanchez button) smiled as Sanchez started off by saying what a close-knit group they were.

“He wanted to grow up and be a football player,” she said.

Sanchez’ agent David Dunn, whom he shares with Kellen Clemens, stood in the back of the room. The 22-year-old junior, who will graduate this year, said he didn’t want to hold out and was confident there would be a contract in place to allow him to attend the rookie minicamp starting Thursday.

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Sanchez said he called Clemens yesterday and they talked for a few minutes. He said Clemens was very warm. Clemens has been competing for a spot for three years, save for the six months Brett Favre had it locked up.

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He was asked about New York and his arm, which he called, “deceptively strong. Don’t worry about the wind we’ll be all right.”

As for No. 6, which had been worn by punter Reggie Hodges, Sanchez wouldn’t say what the trade was but did say it was nice of Reggie to give up the number. (Why does the punter always have to give it up? Joe Smith had No. 4 before Brett Favre came along.) Tomorrow he will throw out the first pitch at the Mets game.

Sanchez also addressed the sexual harassment allegation against him when he was 19. “To be in a situation like that taught me so much, how important it is to be in the right situations.”

His brother Brandon said the plan was to have someone in the family move here with Mark, to help him make the transition from college to the pros with a firm base. As for USC, Sanchez said he spoke to college coach Pete Carroll, who publicly said it was a mistake for Sanchez to come out early.

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Johnson on eight players/picks for RB Shonn Greene and Sanchez: “You do what you have to do. We felt like we made the right decisions.”

Offensive coordinator Brian Schottenheimer: “I think we felt so good about those two guys that we had to pay the price.” He added that the Jets would probably have to go out and get some guys in free agency, but that he felt good about young receivers David Clowney and Brad Smith.

Update 5 p.m.: The Jets picked OG Matt Slauson of Nebraska (6-foot-5, 320 lbs.) with the 193rd overall pick in the sixth round. And with that, the Jets draft is done. That’s seven rounds, three players. Needs to be addressed yet are WR, TE and safety, possibly through free agency.

Jets general manager Mike Tannenbaum admitted that by reaching up for two players the Jets compressed their draft. He then said he and Rex would be on the phone all night calling the promising players who didn’t get drafted. he even offered up a sample of his sales pitch.

Tannenbaum: “For all the free agents out there, we are the land of opportunity for you.”