Cameron Dawson saved a penalty as Sheffield Wednesday produced a brave rearguard action to earn a point against Sheffield United.
The Blades dominated for the majority of the game but David McGoldrick saw his first half spot-kick saved by Dawson as the Owls claimed a first clean sheet of the season at Bramall Lane.
The visitors had to absorb all manner of pressure as the Blades produced some fine attacking football, but they just lacked the cutting edge as they missed the chance to go top of the Sky Bet Championship.
Their one clear opportunity came and went after 14 minutes when McGoldrick's tame effort from 12 yards was saved by Dawson after Morgan Fox had fouled Mark Duffy in the box.
Wednesday defended stubbornly and routinely had all 11 players entrenched in their own half as they avoided a fifth straight defeat.
The hosts made the brighter start and Owls goalkeeper Dawson had to be alert to turn John Fleck's fourth-minute effort from 25 yards behind for a corner.
Fox missed a golden chance for the visitors after nine minutes, meeting Joey Pelupessy's corner at the back post but firing over from six yards.
The home side were awarded a 14th-minute penalty when McGoldrick slipped in Duffy on the right-hand side of the area and the winger was clumsily brought down by Fox.
However, McGoldrick fired a tame spot-kick low to Dawson's left and the keeper palmed the ball away.
Second half
The Blades continued to dominate possession after the break, but despite the contest resembling an attack-against-defence training exercise for long spells, they struggled to carve out a clear opening.
Wednesday might have snatched a goal on the break but Fox's deflected cross narrowly evaded Baker as the away side made a rare foray forward, before substitute Marco Matias' effort was blocked from the resulting corner.
Duffy chipped a weak shot straight at Dawson six minutes from time as the hosts became increasingly frustrated, with Billy Sharp heading wide from a corner in stoppage time and Norwood working Dawson from a free-kick with the last kick of the match.
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