Colin Calderwood has left Brighton to join Championship rivals Aston Villa as assistant manager to Steve Bruce.
The former Scotland international defender had been working as assistant to Chris Hughton at Brighton since the start of the 2015/16 season.
Calderwood spent a season of his playing career with Aston Villa in 1999/00 and Bruce expressed his delight at attracting a coach of his calibre to the club:
We’ve got an experienced guy and a good football man. It was important for me to get someone of his nous.
When I heard Colin was interested he shot to the top of the pile. We interviewed two or three people.
But once I knew Colin was available there was only one person I wanted here.
Colin Calderwood has joined Aston Villa as assistant manager after the club agreed a compensation package with Brighton.
The Scot had been Chris Hughton's right-hand man at the Amex since arriving in 2015.
Brighton & Hove Albion confirmed today they had agreed a compensation package with Aston Villa shortly ahead of last night's match, allowing for Colin Calderwood's release from his notice period this weekend.
The club would like to thank Colin for his service since February 2015 and to wish him well for the future.
Brighton & Hove Albion will now look to finalise its recruitment process for a new assistant manager.
David Davis clinched a deserved point for Birmingham as Aston Villa escaped with a 1-1 derby draw.
The midfielder fired in a second-half equaliser after Gary Gardner had given Villa the lead with his first goal for the club.
Clayton Donaldson missed two golden chances in each half as Birmingham dominated for long spells but let Villa off the hook.
Jacques Maghoma wasted a fine opening and Ryan Shotton spurned a late chance to win it as former Blues boss Steve Bruce took a point on his St Andrew's return.
Steve Bruce has admitted he still harbours ambitions of one day managing England despite being unveiled as Aston Villa boss earlier this month.
The 55-year-old's decision to take over at Villa Park effectively ruled him out of the running to become the permanent successor to Sam Allardyce.
But Bruce has never made any secret of his desire to manage his country and says any future opportunity would be too hard to turn down.
Bruce told BBC Radio Five Live: "If you're English and there's anything about you then of course to manage the national team has got to be the pinnacle of anybody's career.
"You've got to pinch yourself and think, 'how lucky am I?' because it is a privileged position and the biggest job to have is to manage your country whether it's football, cricket or rugby.
"So maybe in the future it might be there, but at the moment I'm just enjoying my time trying to turn this club around."
New Aston Vila boss Steve Bruce has added Stephen Clemence to his backroom staff at the club.
The 38-year-old leaves Hull and joins Villa as first-team coach having also previously worked with Bruce at Sunderland.
He joined Hull in 2012 and helped them to two promotions to the Premier League under Bruce and the FA Cup final in 2014.
A Hull statement read: "Everyone at the club would like to thank Stephen for his fine contribution during his four years on the coaching staff and wish him the very best in the future."
Aston Villa are set to name Steve Bruce as their new manager on Wednesday.
Villa have been seeking a replacement for Roberto Di Matteo, who was sacked last week following a poor start to the season which has left them 19th in the Sky Bet Championship.
Bruce told ITV Sport that he's 'expecting a call tomorrow.'
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Steve Bruce believes managing Aston Villa would be a "terrific job" and says he is hopeful of being appointed this week.
Villa are languishing in 19th in the Championship with one victory from their first 11 matches and sacked Roberto Di Matteo on Monday.
I've had a chat with them. That's as far as it's gone.
They did say they're in a process, which you have to respect. I'm hoping that I hear something this week. It would be a terrific job.
I'm sure everybody would agree that it's one of the big clubs of this country.
It needs a little bit of turning round at the moment, but they've got a huge support and it's a big, big club.
Let's hope I hear something.
Bristol City boss Lee Johnson has distanced himself from the vacant Aston Villa job.
The 35-year-old is being tracked by Villa as they look to replace Roberto Di Matteo after sacking the Italian on Monday following a poor start to the season.
Johnson is on the club's list along with caretaker boss Steve Clarke, Brentford manager Dean Smith, Huddersfield's David Wagner and Steve Bruce, who is available after leaving Hull in the summer.
Former Oldham boss Johnson only joined the Robins on a three-and-a-half year deal from Barnsley in February and insisted he is happy at Ashton Gate.
"I always dreamed of being here and earning my stripes as a coach, so why would I want to leave when I'm so happy," he told the Bristol Post.
"I'm not going to comment on other things, I just wanted people to know how I feel. I'm fiercely ambitious, don't get me wrong, but my ambition is being channelled into Bristol City. This is my place.
"I have a really exciting group of players and I want to see where it can take us. Crowds are on the up at Ashton Gate, we have a fantastic revamped stadium and this is a club going places."
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Aston Villa caretaker manager Steve Clarke will be given a chance to stake his claim for the job with Steve Bruce and Dean Smith also in the frame.
The Sky Bet Championship strugglers are searching for a new boss following the sacking of Roberto Di Matteo after just 12 games with Villa two points above the relegation zone.
Press Association Sport understands chief executive Keith Wyness and technical director Steve Round met on Monday after Di Matteo's exit to begin their search for a replacement.
A shortlist will be drawn up over the next couple of days, with Clarke expected to be on it, and no approaches have been made to any clubs or individuals yet.
Villa do not play again until October 15 when Midlands rivals Wolves visit Villa Park leaving Clarke almost two weeks to make his mark along with first-team coach Kevin Bond.
Ex-West Brom boss Clarke is popular with the players and has impressed the Villa hierarchy since he joined as Di Matteo's assistant in June, although he has not managed since leaving Reading in 2015.
Brentford boss Smith has been identified by Villa as a contender while Bruce, out of work after leaving Hull in the summer, is another under consideration.