Goals from Alvaro Morata and Jamie Vardy had the game tied at 1-1 until a pinpoint cross from N'Golo Kante dropped into a dangerous area in the Foxes' box.
With an intelligent run, Pedro darted between the centre-backs and bravely nodded the ball beyond the oncoming Kasper Schmeichel to give his side the lead.
At 2-1, Leicester's hopes of a Wembley day-out began to dissipate.
Check out Pedro's header below:
March 18, 2018