• FA Cup

Chelsea edge Derby, Forest thrash woeful West Ham

Mikel steals in to open the scoring for Chelsea © Getty Images

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John Obi Mikel was an unlikely goalscorer to set Chelsea on their way to a 2-0 win at Derby which featured another diving incident.

The Rams had won 10 and lost just two of their prior 15 games under former England boss Steve McClaren and proved difficult for Jose Mourinho's men to break down at the iPro Stadium.

But Mikel headed in his fourth Chelsea goal on his 300th appearance - his first in this competition since 2007 - after 66 minutes. Oscar doubled the lead five minutes later, rifling home from just inside the penalty area.

Chelsea's 16th successive third-round triumph - their last loss at this stage was in 1998 against Manchester United - set up a fourth-round tie at home to Stoke, but was tinged with controversy as Ramires was booked for diving by Andre Marriner.

Referee Marriner controversially awarded Chelsea a penalty in the home draw with West Bromwich Albion in November, after Ramires went to ground under minimal contact from Steven Reid.

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In the lunchtime kick-off, Nottingham Forest heaped the pressure on West Ham manager Sam Allardyce after they knocked their Premier League opponents out of the FA Cup following a well-deserved 5-0 victory at the City Ground.

A fine hat-trick from Jamie Paterson, a delightful penalty from Djamel Abdoun and a strike from captain Andy Reid piled the misery on West Ham, who were outplayed from start to finish in the third round tie.

Paterson was upended by George Moncur in the penalty area following a neat piece of skill, and Abdoun ensured he would take the penalty, and converted it with confidence by cheekily chipping West Ham goalkeeper Adrian.

Forest had dominated the encounter, and West Ham were lucky to be just the one goal behind at half-time.

But, West Ham, who are 19th in the Premier League, were soon punished as Forest doubled their advantage 20 minutes into the second half through Paterson.

He latched onto the loose ball, before firing a left-footed effort and into the bottom corner, with Adrian getting a hand onto the shot.

And Paterson then grabbed his second of the game just six minutes later, with Henri Lansbury picking out his team-mate to finish from inside the area. Paterson then sealed his hat-trick following a great dribble as the West Ham defence fell to pieces.

Reid then got in on the act, side-footing his shot into the top corner after being teed up by Abdoun in injury-time.

There were no such problems from lower league opposition for Sunderland, however, who saw off a spirited Carlisle United 3-1 at the Stadium of Light.

Adam Johnson gave the hosts the lead on 34 minutes, before Matty Robson equalised for Carlisle, currently 16th in League One.

But Sunderland proved too strong for their plucky visitors in the second half, with a Sean O'Hanlan own goal and El-Hadj Ba sealing a fourth-round spot, where they will face the winners of the replay between Kidderminster and Peterborough.

Another League One team, Port Vale, were held by Plymouth Argyle in a 2-2 draw at Vale Park.

The home side led 2-0 at the break thanks to goals from Gavin Tomlin and Tom Pope, but Reuben Reid and Ben Purrington ensured a replay will be needed to determine who will host Brighton & Hove Albion in the next round.

Click here for the full fourth-round draw

Jamie Paterson was fouled for the penalty as Nottingham Forest progressed to the fourth round © Getty Images

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