Shrewsbury Town have climbed to the top of League Two and are level on points with Wycombe Wanderers and Burton Albion.
James Collins and Mark Ellis put Shrewsbury 2-0 up within the first 20 minutes and ultimately killed off the game to receive all three points and a place atop the table.
Wycombe failed to retain the top spot after a 1-1 draw with Luton Town, despite being level on points with Shrewsbury.
Burton put themselves into title contention with a 2-0 victory over 10-man relegation strugglers Tranmere Rovers and also sit level on points with the top two.
AFC Wimbledon scored twice early on, but they picked up three away points against Portsmouth.
Barry Corr scored a second-half header for Southend United to snatch a victory away at Cambridge United.
Charlie Lee and Chris Whelpdale both got on the scoresheet for Stevenage to condemn Dagenham & Redbridge to a home defeat.
Bury came out on top in a five-goal thriller with Northampton Town but both sides had a man sent off for violent conduct.
Ten-man York City managed to beat Accrington Stanley 1-0, despite playing the last 30 minutes with only 10 men.
Newport County's Chris Zebroski scored against his former club as the hosts picked up a 2-0 win against Plymouth Argyle.
Carlisle United distanced themselves from the relegation zone with a 1-0 away victory over Morecambe, as David Amoo scored five minutes after the restart.
Exeter City keep themselves in the playoff race, as they beat strugglers Cheltenham Town 1-0 at St James's Park.
Nine-man Hartlepool United managed to salvage a draw away at 10-man Mansfield Town, as the returning Michael Duckworth levelled the score after Junior Brown opened the scoring on the 10-minute mark.
Eight red cards were issued in today's round of matches, with a total of 23 goals scored in the 12 games played on Boxing Day.
Results in full (half-time scores in brackets): Cambridge United 0-1 Southend United (0-0), Portsmouth 0-2 AFC Wimbledon (0-2), Dagenham & Redbridge 0-2 Stevenage (0-0), Burton Albion 2-0 Tranmere Rovers (2-0), Exeter City 1-0 Cheltenham Town (0-0), Mansfield Town 1-1 Hartlepool United (1-0), Morecambe 0-1 Carlisle United (0-0), Newport County 2-0 Plymouth Argyle (1-0), Northampton Town 2-3 Bury (1-2), Oxford United 0-2 Shrewsbury Town (0-2), Wycombe Wanderers 1-1 Luton Town (1-1), York City 1-0 Accrington Stanley (1-0)
