The hosts, who lost in the play-off semi-finals in May, celebrated a deserved opener shortly before the hour mark.
Leeds start their latest bid to escape the second tier against Bristol City this weekend.
Police are now handling a ruckus created by cricket fans during last Saturday's match between Pakistan and Afghanistan in Leeds.
State-backed Qatar Sports Investments is in discussions to buy a stake in English soccer club Leeds United.
Derby became the first team to turn around a first-leg home defeat in the playoffs.
Leeds displays great sportsmanship in the game against Aston Villa.
Darren Moore was axed just hours after their hopes of breaking into the automatic promotion places were dented by a 1-1 draw against rock bottom Ipswich at the Hawthorns.
Derby announces 11 more teams have made representations after veteran Argentinian boss Bielsa defended his spying tactics during a press conference.
The Manchester City manager made clear he has not been involved in any such activity during his time in England.
Leeds says they would remind Bielsa and his backroom team of the "integrity and honesty" expected at Elland Road.
Lampard believes Leeds could face a sanction if Bielsa has been spying on the opposition all season.
Roofe's goal crowns a second-half fightback from two goals down by the visitors.
The two clubs have only met twice in the past decade, with Leeds clinching a famous win in the 2009-10 FA Cup before the Red Devils triumphed in the League Cup in Sept 2011.
Pontus Jansson scored Leeds's equalising goal against Brentford.
Middlesbrough's 2-0 win over Bolton left them just one point behind Championship leaders Leeds.
Leeds beat Norwich 3-0, while Bolton lost to Sheffield United by the same scoreline.