Fisher became friends with Johnson while he played at USC and Johnson was a ball boy.

Johnson became the 16th player in NFL history to reach 800 career receptions and the 26th with 10,000 receiving yards last season, when he caught 70 passes for 815 yards and four touchdowns for the Carolina Panthers.

He finishes with 814 receptions for 10,571 yards and 64 touchdowns in 167 games.

“I wavered time and time again,” Johnson said. “I’ve lived my dream. Now, I’m going to live another dream. I think today is not as emotional as the last two weeks, thinking about it. There were times there were sleepless nights, wondering if this was the right thing to do.”

Parcells became Johnson’s coach with the Jets in 1997 — a year after Johnson caught 63 passes as a rookie for a team that went 1-15. Following that season, he wrote a book: “Just Give Me The Damn Ball,” which proved popular with fans if not his teammates.

Johnson eventually earned the nickname “Me-shawn” for that, but his coaches, particularly Parcells, considered him a hard worker and versatile player. Parcells once called Johnson one of the best he’d coached.

But Johnson did have a feud with Jets receiver Wayne Chrebet when they played together and, less than a year after helping Tampa Bay win the 2003 Super Bowl, Johnson’s spat with Buccaneers coach Jon Gruden got him suspended for the final six games of the season.

“If people are concentrating on one incident that happened in Tampa a long time ago, I think they’re looking at the wrong thing,” Johnson said.

He then joined Parcells and the Cowboys, where he had two productive seasons, with 141 catches and 12 touchdowns.

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The Panthers signed Johnson last year after he was released by Dallas in a salary cap move so the Cowboys could sign Terrell Owens. While Owens had 85 catches for 1,180 yards and 13 TDs last year as the focal point of the passing game in Dallas, Johnson performed well as the No. 2 receiver behind Steve Smith in Carolina.

Johnson worked the NFL draft last month for ESPN, which was impressed enough to offer him a job. He was released by Carolina three days after the Panthers took former USC star wide receiver Dwayne Jarrett in the second round.

“When Keyshawn decided to retire from football, we jumped at the chance of adding him to our NFL roster, especially after his impressive on-air performance during the NFL draft,” ESPN executive vice president Norby Williamson said. “He delivered passionate opinions and candid analysis, attributes that will make him a first-rate analyst in his new career.”

Johnson said Carolina’s decision to release him was a surprise.

“It never crossed my mind,” Johnson said. “It’ll happen to a ton of other guys. You have to be prepared for what goes on in the National Football League. Once I was released from Carolina, it speeded up the process.”

Johnson said retirement will enable him to spend more time with his 8-year-old son, who supported his decision, and 11-year-old daughter, who wasn’t so sure.

“My daughter wasn’t extremely excited because she has yet to get Michael Vick’s autograph,” Johnson said.

On a more serious note, he said: “I need to give something back — watch them grow.”

He’ll get that chance now.