They had begun in lively fashion when Henri Lansbury - the injury-time match-winner against Millwall on Tuesday - blazed over the bar after only a minute.
One false positive and each pill bottle would have to be examined by hand--no improvement over current bar-coding technology.
Gomes then contrived to side-foot over the bar when well-placed as the visitors sought to take advantage of their initial superiority.
Lambert, returning from a three-game suspension, then lifted a a 25-yard free-kick narrowly over the bar as the visitors started to get a foothold in the game following a slow start.
Sunderland's defence was caught wide open as Yaya Toure showed superb pace and strength to power 50 yards through the midfield before laying the ball off to Tevez but the striker - under no pressure - incredibly side-footed his effort well over the bar with the goal at his mercy.
Van der Sar spared United further embarrassment after 53 minutes when he dived high to his right to brilliantly turn Tafforeau's 20-yard free-kick over the bar.
Van Persie came close again shortly after the restart, bending a left-footed free-kick just over the bar.
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But the visitors really should have been level before the hour when Blackman's cross found Danny Kedwell, only for the Dons' top-scorer to side foot over the bar from the angle of the six-yard box.
The Uruguayan became the league's top scorer with five goals after racing to his hat-trick in just over an hour but he blazed a 75th minute spot-kick over the bar.
At the other end Lampard squandered a glorious chance - floating a chip over the bar when he surely would have scored with a more direct strike - before Everton thought they had won it.
Flavio Paixao had an effort blocked on the goal-line in a scramble in the six-yard box, and the same player ballooned a 12-yard shot over the bar.
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Brazil forward Robinho then tested keeper Buffon with a low drive from 20-yards while at the other end Mauro Camoranesi struck a half-volley just over the bar.
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Defoe had netted five goals in his last five Premier League matches but could not add to that run when he cracked a right-foot shot high over the bar after cleverly peeling off a posse of defenders to meet Johnson's smart free-kick.
The Gunners continued to threaten and centre-half Philippe Senderos had a 35-yard shot that flew just over the bar while Walcott failed to hit the target from six yards out as he connected with an Adebayor centre.
Danny Grainger's 20-yard free-kick forced United keeper Dusan Pernis into a save in the build-up to half-time, then Morais blasted a decent ball over the bar following a goalmouth scramble.
Juve's 39-year-old third-choice goalkeeper Antonio Chimenti made an error-strewn first start of the season against Siena at the weekend as the Turin side let slip a 3-0 lead to draw 3-3, but he was on hand to tip Zamora's set-piece over the bar.
Paulo Wanchope was still well placed to score - but, under pressure from Liverpool's defenders, he sent his follow-up over the bar.
He could have netted his hat-trick just before half-time but the Falkirk keeper pushed his drive over the bar.
He was endorsed by all the big local names, including the mayor, Mitch Landrieu, and his sister, Senator Mary Landrieu, but the primary was marked by a slew of negative advertising from Mr Richmond's opponents that questioned, among other things, his involvement in a bar-room brawl over a game of pool in 2007.
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That chance was created by Rodriguez and soon after the interval the two former Atletico Madrid team-mates were at it again, with the same result - Torres putting the ball over the bar, this time with a shot.
Sergio Ramos put a free header over the bar for an out-of-sorts Madrid.
Constable nearly won it for Oxford late on, but he could only head Anthony Tonkin's free-kick over the bar.
From another corner the former Portsmouth player then blazed a shot over the bar when he mis-controlled a good chance in the penalty box.
Kirkland saved a header from Alex, Michael Ballack drilled a free-kick over the bar and Joe Cole narrowly missed as Chelsea looked for a decisive second goal.
Shaun Wright-Phillips became the first player to be yellow-carded after 29 minutes for a challenge on Jermaine Jones, but striker Miroslav Klose headed Trochowski's resulting free-kick over the bar.
Hearts had the first opportunity of the match when Grant Munro fouled Christian Nade on the edge of the box, but Andrew Driver fired the resulting free-kick over the bar.
Mackay spiralled a free-kick over the bar from a promising position with five minutes remaining but it was to be May's double that separated the teams come the full-time whistle.
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