Queens Park Rangers sit six points clear at the top of the table after a 3-0 home victory against Doncaster Rovers who visit the Ricoh Arena on Tuesday night.
Cardiff City moved up into second spot with a 2-1 win over Millwall in a lunch-time kick off. Jay Boothroyd scored the first of the Bluebirds' goals.
Watford scored three times in the first half and have Gordon Strachan's Middlesbrough an own goal in the second half to win 3-1 and go up to third.
Ipswich are fourth after drawing 1-1 at Scunthorpe with Leeds who beat Sheffield United 1-0 fifth and Norwich who had Elliott Ward booked in a 2-0 defeat to Hull City in sixth place.
Preston's win at Coventry was enough to get them off the bottom of the table and above Leicester City who lost 6-1 at Portsmouth last night.
Other results saw Burnley draw 0-0 with Bristol City, Derby beat Crystal Palace 5-0, Nottingham Forest beat Swansea 3-1 and Reading beat Barnsley 3-0.