Results and reports from the day's football fixtures, which include several clashes crucial to the Premier League relegation battle. In the Championship, play-off hopefuls Preston and Cardiff meet at Deepdale while League One's fixtures include Leeds v Tranmere and Scunthorpe v MK Dons, all four of whom are vying for promotion. North of the border, Celtic host Aberdeen and will be trying to steal a march on SPL title rivals Rangers.