Huddersfield boss Chris Powell was bitterly disappointed with the way his side collapsed at the start of the second period as they were thrashed 5-0 at Norwich.
The game turned in the 17th minute when Huddersfield were reduced to 10 men following the dismissal of defender Murray Wallace.
He was shown a red card for hauling down Cameron Jerome when he had a clear run on goal and although the Terriers held out until half-time the floodgates opened upon resumption.
Powell said: "You can't start that way in any game of football and expect to get anything from it. It was so unlike us.
"In the first half I thought we coped okay with going a man down but after the break we weren't at it and we got punished.
"Now I have got to pick them up and then we'll go again. I have certainly got some decisions to make about my next team."
Powell accepted that defender Wallace had to go.
"We didn't deal with the first ball and we certainly didn't deal with the second. The referee had a decision to make - and it was the correct one."
Winger Sean Scannell was involved in both Huddersfield goals as Brentford's five-match winning streak came to an end in a 2-1 defeat at the John Smith's Stadium.
Scannell, who signed a two-year contract extension last month, lashed the ball in from a tight angle on 18 minutes from a pull-back by Nahki Wells.
The move saw Jack Robinson beat fellow full-back Moses Odubajo down the left and crossed for Wells.
His pull-back from the near post ran too far for Grant Holt in the middle but Scannell raced in at the back to drill home.
Holt put Robinson away down the left on 48 minutes and it was his byline cross that led to a second goal for the Terriers.
Scannell threw himself at the ball having steamed in from deep but he was beaten to it by Brentford's Jake Bidwell - who headed into his own net.
It helped end a five-match winning run for Brentford which had seen boss Mark Warburton named November's manager of the month.
Derby, Nottingham Forest and Fulham were among the teams Brentford toppled in a surge to third in the table.
They showed how they did it with a slick attacking display that saw them unlucky to be behind at the break.
Alan Judge, who fired wide early on, was denied a goal on 14 minutes when his deflected shot was acrobatically tipped over by Town keeper Alex Smithies.
He also parried a stinging drive which Bidwell struck with the outside of his right boot on 22 minutes.
Brentford created further chances for Alex Pritchard and Championship player of the month Andre Gray but they then fell behind against the run of play.
The home side had claims for a penalty waved away on 32 minutes when Conor Coady was felled by Odubajo.
Bees keeper David Button spilled a 25-yard drive from Jacob Butterfield and Coady went down as he tried for the rebound.
Gray, Brentford's eight-goal top scorer, fluffed a great chance to equalise in first half stoppage time.
Bidwell put Pritchard in down the left and his defence-splitting pass left Gray in the clear but he scuffed his attempted close-range shot into the turf.
Huddersfield started the second-half like a freight train but though they doubled their lead they never properly killed Brentford off.
Wells, eventually replaced by fit-again striker James Vaughan, missed several good chances, including on 63 minutes when he fired wide from Coady's pass.
The visitors got a lifeline eight minutes later when Jonathan Douglas tapped in the rebound after substitute Tommy Smith was denied.
Desperate defending ensued as Huddersfield sought to hang on to their first win in five matches.
Smithies tipped over a Judge free-kick on 83 minutes while Town somehow survived a goalmouth scramble soon after.
In stoppage time Brentford substitute Nick Proschwitz missed a good chance with a header from a Bidwell cross.
Sheffield Wednesday striker Stevie May and Huddersfield substitute Nahki Wells went closest to breaking the deadlock as the lunchtime Championship Yorkshire derby ended goalless at the John Smith's Stadium.
May, who won his first full Scotland cap against England on Tuesday, fired in a 74th-minute shot which struck both crossbar and post, while Wells twice forced Wednesday goalkeeper Keiren Westwood into excellent saves after stepping off the bench in the 68th minute.
Huddersfield goalkeeper Joe Murphy pulled off the save of the game to deny Wednesday winger Royston Drenthe a last-minute winner, shortly after the Owls could have been awarded a penalty.
The West Yorkshire club extended their unbeaten home record to six matches, while Wednesday have drawn seven of their last 11 fixtures.
Diego Poyet, for Huddersfield, and Sheffield Wednesday's new loan signing Lewis McGugan both made their debuts for their respective clubs, while Murphy started in goal for the home side after Alex Smithies suffered a back spasm. Winger Royston Drenthe returned from suspension for the visitors.
McGugan fired a shot over the crossbar and Gary Taylor-Fletcher failed to connect properly with Jacques Maghoma's cut-back as Wednesday created the better early chances, while Huddersfield winger Sean Scannell sent two low crosses fizzing across the six-yard box at the other end.
Jacob Butterfield's slide-rule pass then carved open Wednesday's defence midway through the first half, setting Tommy Smith free on the overlap, and the right-back's raking cross was snuffed out by visiting centre-half Tom Lees' last-ditch near-post lunge.
Scannell turned neatly in the box to clip another inviting pass across the face of goal shortly before half-time as Town gained the upper hand, but a blue shirt failed to get on the end of it.
Wednesday left-back Jeremy Helan thwarted the charging Scannell with a timely challenge and on-loan centre-forward Grant Holt headed left-back Paul Dixon's cross over soon after the restart.
Butterfield dragged his shot off target after Harry Bunn's backheel on the edge of the box and Scannell again threatened to break the deadlock when he raced into shooting range and blazed an angled drive over the crossbar.
It needed something more incisive against a Wednesday defence that has kept 10 clean sheets this season and in the 68th minute Town boss Powell sent on striker Nahki Wells for Conor Coady.
Wells' response was almost instantaneous as he darted through on goal, only to see his shot parried by Wednesday goalkeeper Keiren Westwood.
But Wednesday went closest to scoring the game's opening goal in the 74th minute when May pounced in the box and lashed a rising shot which beat Murphy and struck the crossbar and then post before bouncing clear.
Wells then wasted a free-kick when he curled his effort high and wide after being hauled down by Wednesday skipper Glenn Loovens and blasted a shot straight at Westwood after finding himself in the clear with six minutes remaining.
Wednesday were denied a late spot-kick when substitute Chris Maguire went over Joel Lynch's challenge but was harshly booked for simulation.
Drenthe then sprang the offside trap in time added on, but his well-struck curling shot was brilliantly turned away by Murphy to ensure the spoils were shared.
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Huddersfield manager Chris Powell says he would back introducing a similar approach to NFL's 'Rooney Rule' in a bid to introduce more black coaches and managers into English football.
Only two out of the 92 professional clubs in the English Football League are black, with Powell at the Terriers and Keith Curle at Carlisle United.
FA chairman Greg Dyke has revealed a group has been looking into what can be done to address the problem with the NFL's 'Rooney Rule', which states American football teams must interview at at least one black or ethnic minority candidate when hiring a head coach, being considered.
Speaking to TalkSport, Powell believes adopting such a rule, or something similar to it, is worth analysing.
He said: "I think there’s an avenue we can go down, not entirely the Rooney rule, but I think there’s an avenue we can go down because people get despondent.
"Black coaches and ethnic miniority coaches do get despondent. I’ve spoken to them, I’ve had chats with them in the summer at St George's Park. There’s a lot of work going on at the FA and at the PFA but there’s a long way to go.
"I just feel the Premier League, the Football League, the PFA and the LMA, they all have to – if they’re serious about it – get around the table and see what route is best for us in the UK."
Sports Correspondent Chris Dawkes offers his views on this weekend's action. From Hull to Holt and even Cellino's stint in the standsRead the full story ›
Leeds United take on Huddersfield Town tomorrow afternoon in the West Yorkshire derby at Elland Road.
The Terriers will be out for revenge after losing 5-1 to their bitter rivals last season.
But Leeds are in decent form under caretaker head coach Neil Redfearn, having picked up 7 points in their last 3 games. Ben Erlam reports.
There is a big West Yorkshire derby at Elland Road tomorrow when Leeds United take on Huddersfield Town.
The Terriers will be out for revenge after losing 5-1 to their bitter rivals last season. But Leeds are in decent form under caretaker head coach Neil Redfearn, having picked up 7 points in their last 3 games.
Calendar's Chris Dawkes spoke to Huddersfield manager Chris Powell and former Leeds United captain Lee Peltier who returned to the Terriers in a semmer transfer.
Chris Powell will be thrown in to the deep end as Huddersfield Town boss with three games in a week to kick off his tenure.
The Terriers play at home to Middlesborough on Saturday, Wigan on Tuesday and away against Yorkshire rivals Leeds United next week.
After offering him a game, Powell told Chris Dawkes he was only looking as far ahead as the next game: