The Sheffield Wednesday and Sheffield United men could have been teammates at Hillsborough.
The Sheffield Wednesday coach appeared to be on the wind-up after Sheffield United dropped points at Villa Park.
Agnew has replaced Bullen as the Sheffield Wednesday caretaker manager.
The Sheffield Wednesday forward is currently out with a hamstring injury.
Sheffield Wednesday host Birmingham City on New Year's Day.
The Owls were denied all three points as the Baggies netted a late equaliser in Saturday's Championship clash at The Hawthorns.
Sheffield Wednesday are expected to have a new boss soon.
Reported Leeds United target Keiren Westwood was back in action for Sheffield Wednesday on Saturday.
Betra was managed by Lee Bullen, the former Falkirk employee, in Sheffield Wednesday's Under-21s.
Sheffield Wednesday host Pulis's Middlesbrough on Friday.
Mauricio Pochettino's Tottenham Hotspur side have a 1-0 lead to protect ahead of their match with Manchester City tomorrow.
Sony's free PlayStation 4 theme for God Of War includes a rune that teases the arrival of the Norse Gods' doomsday, Ragnarok.
The Tottenham Hotspur star is a big doubt for tomorrow night's game.
The Wigan Athletic midfielder began the season at one of Leeds United's closest rivals.
Celtic should consider a move for Leicester City attacker.
Liverpool midfielder Fabinho has been in excellent form for Jurgen Klopp's side of late.
Leeds United and Sheffield United are fighting for an automatic promotion spot.
Tottenham Hotspur still have a perfect record in their new stadium, with Mauricio Pochettino's side back on track now.
Leeds United, Norwich City and Sheffield United are aiming for automatic promotion to the Premier League.
Arsenal forward Henrikh Mkhitaryan has started just 15 Premier League games since Unai Emery took over at The Emirates.