Derby made history by becoming the first side to win a second-tier play-off semi-final after losing the first leg at home and they will face Aston Villa on May 27. Subs not used: Carson, Jozefzoon, Evans, Knight. But back Leeds came and defender Stuart Dallas - scorer of the game's opening goal - soon restored parity when he dropped a shoulder before locating the bottom corner from 15 yards.

Leeds almost went 2-0 up on the night when Mateusz Klich’s shot was deflected on to the crossbar. He ended up colliding with goalkeeper Kiko Casilla, which led to the ball cannoning between the pair and squirming through to give Marriott the chance to tap into an empty net. But Derby refused to buckle and turned the tie on its head in the 58th minute. By then, the first half was a distant memory. Leeds 2-4 Derby (3-4 on aggregate): Substitute Jack Marriott nets twice to send Frank Lampard’s side through to Wembley final Marriott came off the bench to … Leeds 2-4 Derby (agg: 3-4): Derby reach Championship play-off final – as it happened. Within 38 seconds of the second half Mason Mount had levelled the tie as he jinked clear in the area before chopping home despite an untimely stumble.

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Kiko Casilla (left) flaps at a ball delivered into the box as Berardi grapples with Derby striker Jack Marriott, Leeds players look dejected after Derby scored their third goal from the penalty spot on Wednesday evening, Luke Ayling tries to turn the ball goalwards on the stretch but just can't get the ball on target from a tight angle, Derby defender Malone makes an imperative block to deny Pablo Hernandez from close and keep the away side ahead.

They teased Lampard over this season's 'Spygate' affair, and the visiting boss cut a lonely figure as 36,000 revelled in his misery. The home fans mocked Lampard but he was laughing and not crying after seeing Marriott give them hope when he rolled into an empty net after a mix-up between Cooper and goalkeeper Kiko Casilla on 44 minutes. Bennett felt the tug of his shirt, hit the floor and the penalty was rightly awarded. Cooper, usually so dependable, was anything but here and the centre back conceded the penalty - needlessly tugging the shirt of Mason Bennett - from which Harry Wilson slotted Derby into a 3-2 aggregate lead on 58 minutes.

Lampard urged his men forward rather than settling for extra-time and they thought they had won it when Wilson prodded against the post on 84 minutes. Derby needed two goals to win and history was on Leeds' side, for the team finishing third in the Championship had not lost at home in the play-offs for nine years. Subs not used: Peacock-Farrell, Jansson, Struijk, Gotts, Bogusz.

With Leeds leading 1-0 from the first leg, Stuart Dallas scored the opener in the 24th minute after Derby had dominated the opening stages and it seemed the tie was all but settled.

Lampard could well need a new suit for their play-off final date with Aston Villa, however, given the bedraggled nature in which he emerged from the rowdy touchline celebrations in the wake of Jack Marriott's late winner.