Liverpool legend Mark Lawrenson says the first goal will be key in today's FA Cup final.

Lawrenson says Crystal Palace will need to score first if they're to beat Manchester United.

He wrote for BBC Sport: "To be a threat, Palace will need to do more than sit deep, they must press United whenever they have the ball. If the Eagles can hurry them, and can force them back, they will give themselves a much better chance of scoring.

"The first goal is absolutely key for Palace, not only because it would give them something to hang on to.

"It would also mean United have to come out at them more, giving the Eagles more space to exploit the way they want to play, on the break.

"If United score first, though, it is Palace who will have to take more risks and their own defence is far less convincing."