Newcastle's promotion back to the Barclays Premier League was confirmed ahead of their game against Sheffield United on Monday night after Nottingham Forest failed to beat Cardiff.
Forest went into the match 15 points behind the Magpies with five games remaining but can no longer catch their rivals following a 0-0 draw at the City Ground.
Peterborough's one-year stay in the Coca-Cola Championship is over after a 2-2 draw at Barnsley condemned them to relegation with four games remaining. Iain Hume (7) cancelled out Ryan Bennett's (5) early opener for the visitors, but Peterborough still looked set for three points when Tommy Rowe netted 13 minutes from time before Hume grabbed a second equaliser seven minutes later.
West Brom could have been promoted had they beaten struggling Watford and other results gone their way but in the end they needed a last-gasp equaliser from Chris Brunt to draw 1-1. Watford are now above the relegation zone only on goal difference after a 3-1 win for Crystal Palace over Preston.
Sheffield Wednesday were the day's big losers as they dropped into the bottom three following a 1-0 defeat by Bristol City at Hillsborough, Nicky Maynard netting the only goal nine minutes from time.
Second-bottom Plymouth, meanwhile, find themselves four points from safety after a 2-0 loss to Middlesbrough.
Leicester got their promotion challenge back on track with a thumping 4-0 win over QPR. The Foxes had lost their last four games but returned to form in some style at the Walkers Stadium.
Swansea bounced back from their derby defeat by Cardiff with a 3-0 victory over Scunthorpe, who are now only two points above the relegation zone. David Edgar netted the opener 27 minutes in before Ashley Williams (51) and Shefki Kuqi (80) made the points safe.
Blackpool are right on the tails of their play-off rivals after a 2-0 win over Doncaster today, DJ Campbell (27) and Stephen Dobbie (67) the scorers.
Reading and Ipswich emerged victorious from their midtable battles against Coventry and Derby respectively.
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