Championship leaders Wolves enjoyed their best day for several weeks without taking to the field.
After a miserable run of form, Mick McCarthy's team could have been joined on 63 points at the summit by Birmingham this afternoon, but Blues wasted their chance as they crashed 1-0 at Coventry.
The Sky Blues were full value for the victory which came courtesy of Scott Dann's second-minute tap-in.
Reading could have snatched second place from Birmingham but they were also defeated, 2-0 at home to Bristol City.
Dele Adebola's close-range header (26) put the Robins ahead before Cole Skuse prodded in a second three minutes after the break
Gary Johnson's men are now fourth after Preston were surprisingly beaten 3-1 at second-bottom Southampton.
Andrew Surman (19) and Marek Saganowski (29 and 42) put Saints three up by half-time before Ross Wallace (73) scored a consolation.
Sixth-placed Sheffield United twice came from behind to draw 2-2 at out-of-form Plymouth.
Debutant Carl Fletcher volleyed Argyle ahead (49), Danny Webber slotted home an equaliser after goalkeeper Romain Larrieu's poor clearance (63), before Paul Gallagher (70) and Greg Halford (70) traded goals.
Burnley could not overhaul the Blades as they also drew, Jamie Cureton (20) putting Norwich ahead at Carrow Road before Steven Thompson (36) made it 1-1.
Swansea are just a point away from the play-off places following a 3-1 victory over Doncaster at Liberty Stadium.
James Coppinger toe-poked Rovers into a surprise 11th-minute lead but a Jason Scotland penalty (28) after James O'Connor's foul (28) and two goals from Jordi Gomez (71 and 90) saw the Swans home. Doncaster's Richie Wellens was dismissed for two bookings late on.
Rock-bottom Charlton took a point from a woeful goalless draw at fellow strugglers Barnsley, while Watford continued to climb away from the drop zone with a 2-0 win at Blackpool courtesy of goals by Mike Williamson (54) and Tamas Priskin (85).
Nigel Clough's Derby beat Nottingham Forest 3-1 at the City Ground to claim bragging rights in the east midlands.
Wales defender Lewin Nyatanga volleyed the Rams ahead in the fifth minute - his first goal in almost two years - before Rob Hulse headed another 30 seconds after half-time.
Steve Davies added a third from the spot (67) after James Perch's foul and Rob Earnshaw's late header against his former side was little consolation for Forest.
Late strikes by Sean McAllister (80) and Leon Clarke (90) handed Sheffield Wednesday a 2-0 win over Crystal Palace at Hillsborough.