Demba Ba guides Chelsea to FA Cup semi-finals
Demba Ba sent Chelsea into the FA Cup semifinals with a 1-0 victory over Manchester United. The quarterfinal replay came to life four minutes into the second half when Ba exquisitely hooked the ball over goalkeeper David De Gea to set up a Wembley Stadium meeting with Manchester City. (All AP/AFP images)

Chelsea's Oscar vies for the ball with Manchester United's Patrice Evra at Stamford Bridge Stadium.

Chelsea's Eden Hazard has a goal attempt blocked by Manchester United's Phil Jones during the English FA Cup quarterfinal replay at Stamford Bridge Stadium in London.

Chelsea's Demba Ba competes with Manchester United's Chris Smalling.

Demba Ba sent Chelsea into the FA Cup semifinals with a 1-0 victory over Manchester United on Monday.

John Mikel Obi, David Luiz and Ivanovic celebrate with the goal-scorer Demba Ba.

Chelsea's David Luiz competes with Manchester United's Nani during their English FA Cup quarter final replay at Stamford Bridge.

Manchester United's manager Sir Alex Ferguson gestures to his players during their English FA Cup quarter final replay against Chelsea at Stamford Bridge.

Chelsea's Ryan Bertrand shakes hands with Rio Ferdinand after beating Manchester United 1-0 in the English FA Cup quarterfinal replay.