|McDonald 36, Fuller 66, 83||Venue: The Den
|Knott 6, 76, Nelson og 70|
RICARDO Fuller spared Millwall's blushes with an 83rd minute-equaliser to set up an FA Cup third round replay with Bradford City.
The Lions will travel to the League One outfit a week on Wednesday after a topsy-turvy, six-goal thriller at The Den.
Having fallen behind to Billy Knott's early opener, Scott McDonald headed Millwall level to give them the momentum going into the second half.
And when Fuller tucked away McDonald's pass to make it 2-1, the Lions looked in control.
But a bizarre own goal from Sid Nelson restored parity and Knott added his second and Bradford's third to put the visitors ahead again.
Fuller, though, ensured Millwall's name will be in the fourth round draw on Monday night with a composed finish late on.
Ian Holloway's selection options were depleted by injury and suspension, with Lee Gregory (back), Mark Beevers (ankle) and Shaun Williams (banned) unavailable.
Alan Dunne, Matthew Briggs, Ed Upson, Richard Chaplow and Fuller were recalled to the starting XI, while 18-year-old Nelson kept his place in the side after an impressive debut.
Bradford, unbeaten in nine games and fifth in League One, made a confident start.
The visitors were able to capitalise on some early hesitation in the Millwall ranks and when Chaplow gave the ball away after two minutes, Knott drilled just wide.
Jon Stead then collected James Hanson's flick and fired acrobatically over the bar before Andrew Halliday's shot was deflected behind for a corner.
The goal was coming and it duly arrived in the sixth minute. Hanson nodded down a corner and Knott thumped in from close range.
Fuller shot wide from the edge of the box before seeing a goal disallowed for offside as the Lions mustered a response.
Halliday should have increased Bradford's advantage in the 24th minute but rifled over the bar from inside the six yard box after latching onto Hanson's flick.
But instead McDonald drew Millwall level, drifting into a pocket of space at the near post and guiding Martin's cross into the corner with a deft header.
The Lions visibly grew in confidence after equalising but it took a fine point-blank save from Forde to thwart Knott on the stroke of half time.
Millwall began the second period on the front foot, with Upson nodding over Briggs' floated cross and Martin curling wide from 20 yards.
And their pressure finally told when McDonald darted past a Bradford defender before teeing up Fuller, who finished well at the far post.
But the Lions' lead lasted just four minutes.
Hanson's shot took a wicked deflection, bounced off the bar and onto the shins of Nelson, who couldn't prevent the ball from rolling into his own net.
That freak incident shook Millwall's confidence, and when Filipe Morais' cross was tucked away by Knott in the 76th minute, it was Bradford who were on course for round four.
But Fuller dispatched Martin's square pass after Magaye Gueye's charge downfield to keep the Lions' cup hopes alive.