Sehorn's job is to stop opposing wide receivers from catching the ball and against Philadelphia he dived in front of a receiver and got his hands on the ball, tipping it up in the air and catching it before getting up to run in for a 32-yard touchdown.
It was a spectacular move and was hailed as the interception of the year with Giants head coach Jim Fassel describing it as the best interception he had ever seen. It even earned Sehorn another TV appearance, on The Late Show With David Letterman.
Giants linebacker Mike Barrow said: "Jason's got that extraordinary, Superman-like ability. That (his interception against Philadelphia) was supernatural. It was something out of those sci-fi movies."
Sehorn claimed it was just lucky.
If the film and TV industry do not sign him up for starring roles he will certainly land a career on TV as an expert NFL analyst or pundit. But the man raised by a single mother, who brokered his first meeting with Angie when she spotted the actress at a game at Giants Stadium, has worked hard to stay in his present job.
He looks after himself and is a health food fan with lunch usually in the form of a chemically engineered dietary supplement. But in a pre-season game in 1998, after becoming one of the best cornerbacks in the NFL, he tore ligaments in his right knee returning a kick-off and missed the whole season.
He went back to California to rehabilitate with his own fitness regime and returned for the 1999 season in good shape. He then suffered ham-string problems and his season was cut short by a broken left leg.
This year he missed two games after breaking a rib, but still had two interceptions and made 77 tackles and with his attitude in overcoming the setbacks of recent seasons has the ability to produce something special, something game-winning on Sunday.
At the team hotel this week, he stopped to meet every request for autographs and is at ease with fans.
He has been to the Super Bowl before, as a spectator, watching and learning from the experience, attending parties and honing his image for that future away from the locker room.
But he said: "As a kid, you love to go to the circus and everybody says this (Super Bowl week) is like a circus.
"I'm still a kid, I'm still having fun and I'm going to look at it like a big circus.
"How many opportunities am I going to have where you are the only show in town?
"My approach to this game is this is the last Super Bowl I'm going to play in."
That maybe so, but it offers young 'Clint' the chance of a few dollars more before he rides off into the TV sunset.