Graham Westley told players to win 5-0 before Cup win
Bostwick (centre) scored a stunning goal during Stevenage's famous 3-1 victory
Stevenage manager Graham Westley's advice to his players before their stunning FA Cup win over Newcastle was to "go out and win 5-0".
In midweek Newcastle had beaten West Ham 5-0 in the Premier League, but their visit to Broadhall Way proved very different as they lost 3-1.
"We established that if we did just 20% of what it would take to win 5-0 we'd still win the game," said Westley.
"Three wasn't five but it was a decent result," added the Stevenage boss.
Saturday's defeat was arguably Newcastle's most humiliating Cup defeat since they were beaten by non-league Hereford United in 1972.
"You only ever win by being positive," said Westley. "We played to our strengths and their weaknesses.
"The top players are not infallible, they all have their weaknesses and winning is about exposing their weaknesses and playing to your strengths and we did that."
Stacy Long's strike took a wicked deflection off Mike Williamson as the home team went in front after 50 minutes and Michael Bostwick doubled the advantage with a low striker that went in off the post.
The Premier League side gave themselves faint hope of a comeback when Joey Barton scored from 30 yards in injury time, but Peter Winn immediately restored his team's two goal cushion - testament to Stevenage's fitness and work ethic.
"We haven't missed a day's training during the Christmas period," added Westley. "They've given up their Christmases, they've not seen their families. They've had to stay in hotels. It has been horrific, but credit to them.
"There are some young lads out there with massive futures in front of them."
Stevenage chairman Phil Wallace felt that his team could easily have won by a greater margin.
"I thought we were by far the better team and had three or four chances in addition to the three goals we got," he said.
"This victory means a great deal, it was fantastic. We did not expect to beat a Premier League side but we were by far the better team."
Newcastle manager Alan Pardew felt that his team had struggled to cope with the physical challenge posed by their League Two opponents.
"A few players need to understand what this game is all about," said Pardew.
"A few young boys got caught out with the passion and the physical side of Stevenage, who I thought bossed patches of the game with their enthusiasm and endeavour. We have got to match that and we did not do that."
The Magpies had won their previous two fixtures in 2011, including the thrashing of over West Ham on Wednesday, and are currently eighth in the Premier League.
But Newcastle have injury problems - with the likes of Andy Carroll, Shola Ameobi, Steven Taylor and Jonas Gutierrez all missing - and their match at Broadhall Way was their fifth in 14 days.
"I felt like we were running on empty a little bit, four or five looked like they were shot," added Pardew. "The injuries and the recent effort took its toll and we are on the end of a defeat that we do not like."
Newcastle substitute Cheik Tiote was handed a straight red card following a challenge on Stevenage defender Jon Ashton.
Tiote had been on the pitch 13 minutes when he attempted to win the ball in the centre circle.
"I didn't think it was a sending-off at all," said the Toon boss. "I didn't think it at the time. The speed he's going at is the speed he usually tackles at - he's so fast.
"He has gone off the ground but with one foot and the ball is clearly away from the player. There was no intent.
"I've watched it three times and I've gone to see the referee and I will definitely appeal that because I think that's really harsh on the boy. He was obviously trying to get us back in the game and make an impact."
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