United equalised from the spot through David Goodwillie after Stevie Hammell was penalised for a handball.
David Goodwillie equalised from the spot for the Tannadice side when Stevie Hammell was penalised for handball.
David Goodwillie swept in United's reply after 64 minutes, but Daniel Majstorovic headed in 15 minutes later.
And David Goodwillie snatched victory for the visitors on 89 minutes, the striker finishing well on the break.
David Goodwillie scored from the spot after he was fouled by Paul Lawson.
BBC: Ross County manager Derek Adams riled by United penalty
David Goodwillie struck the only goal of the tie off the underside of the bar on the stroke of half-time.
Moments later, Wilkie blew the last chance of the match from six yards out when he headed David Goodwillie's cross wide.
United were dominant for most of the game and David Goodwillie had the ball in the net, only to be flagged offside.
Conway then got in behind the Hearts defence to latch on to David Goodwillie's lobbed pass and have two efforts at goal.
And United broke the deadlock with a David Goodwillie penalty at the second attempt after his first effort was ruled out for encroachment.
There are recalls for the fit-again Falkirk defender Thomas Scobbie and Rangers midfielder Andrew Shinnie, while Dundee United striker David Goodwillie returns from suspension.
BBC: St Johnstone's Murray Davidson given Scots U-21 call-up
David Goodwillie headed over the St Johnstone bar from Conway's cross.
United striker David Goodwillie, who had scored in the previous six matches, then had a header held by Samson before Saints struck for a second time.
Hamilton took the lead on Tayside through Flavio Paixao's header, but David Goodwillie equalised before the break and Jon Daly struck in injury time to give United victory.
Rangers were on the back foot again when David Goodwillie worked the space to get a shot away but Sasa Papac made a timely block to avert the danger.
Barry Douglas made a fine United debut following his summer switch from Queen's Park, while Danny Swanson, Jon Daly and David Goodwillie were also recalled after Thursday's Europa League exit.
Paul Hanlon's late equaliser for Hibernian made Dundee United pay for Swanson's ordering off after United had taken the lead after only two minutes when David Goodwillie broke clear to score.
BBC: Dundee United boss Peter Houston "disgusted" at Swanson
That appeared to settle United and David Goodwillie was next to threaten with one of his trademark shots on the turn, but it flew too straight and into the arms of Cerny.
Brewster's side appeared to improve with 10 men though as substitute Craig Conway, who had come on for David Goodwillie three minutes before Hunt's sending off, crossed for Samuel to pull a goal back with a close-range finish.
BBC: SPORT | Football | Scottish Premier | Falkirk 5-1 Dundee United
David Goodwillie had flashed a shot across the face of the Dons goal in Diamond's absence and the defender was lucky not to suffer a swift return to the dressing-room after following through with his studs on Buaben and receiving only a yellow card.
After Terrors striker David Goodwillie had dinked the ball under Saints' Peter Enckelman for the opening goal after an hour of play, St Johnstone's chances of restoring parity were hampered by the frequency of stoppages for injuries in the final quarter of the match.
Up front, English striker Danny Cadamarteri has the physique and the nous to hold the ball in, which should compliment the pace and alertness of teenager David Goodwillie, who could be set to make the transition from a bright young thing to a goalscoring star.
United looked a different proposition after the break, with David Robertson, Morgaro Gomis and Goodwillie all proving a handful for the hosts.
David Robertson then fed Daly and he in turn threaded a through ball to Goodwillie, who smashed a thunderous drive against the bar.
应用推荐