MIAMI -- Bill Parcells is putting his protege in charge.
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The change was part of a long-range plan when the Parcells regime took over at the end of the 2007 season, according to the statement.
"This was the intent of the structure put in place in the past," the Dolphins said. Ireland will assume full control over all aspects regarding the team and support staff.
Parcells can leave the Dolphins at any time and collect the balance of the $12 million due him under a four-year contract that expires after the 2011 season.
The front office has continued to be busy in recent days, acquiring six players since Saturday, and the Dolphins have 20 players with two years' experience or less.
New owner Stephen Ross has said he expects the Dolphins to play in the Super Bowl this season, while most prognosticators expect a record around .500.
The news that Parcells was stepping back caught linebacker Channing Crowder by surprise.
"He's just a great guy to have on your side," Crowder said. "But he brought a bunch of great people in, too. Tony is an amazing coach, and Jeff Ireland knows what he's doing."
There was no comment from the secretive organization about the change in hierarchy beyond the statement. The team was off Tuesday, and Parcells rarely does interviews.
"The clock's ticking for guys like me," Parcells said in 2008, shortly before his first season with Miami. "You know you can't do it forever."
Ross, who completed his purchase of the franchise from Huizenga in January 2009, didn't respond to an e-mail seeking comment.
Ireland also rarely talks to the media, but he offered occasional glimpses into the how the regime worked under Parcells. For example, Parcells was very much involved in preparations for the most recent draft, Ireland said in April.
"It's constant," Ireland says. "It never stops. Bill and I have grinded through every single player two or three times."
There have been occasional hints that Parcells had created an atmosphere allowing him to step back. One clue came when Sparano spoke two weeks ago of Dan Henning, the Dolphins' third-year offensive coordinator.
"Our relationship has really grown tremendously," Sparano said. "Early on in the process, he was a Bill guy. And now I would feel safe to say he's a Tony guy."
Parcells worked a full schedule during training camp, arriving early, watching practices from a golf cart and often offering players feedback. Safety Yeremiah Bell laughed when asked two weeks ago about Sparano's ability to recall obscure moments in games.
"He probably gets some of that from Bill," Bell said. "Bill is like that. too. Bill remembers every play. He'll tell you about a play on Sunday you don't even remember."
Parcells quit coaching after the 2006 season with Dallas.
Ireland spent seven years in player personnel with the Cowboys, including his final three as vice president of college and pro scouting. Dallas went 13-3 and won the NFC East in his final season there.
Before that, Ireland was an NFL scout for 11 years.
Copyright 2010 by The Associated Press