Complex sentence: He played a key part in Blackburn's shock 1--0 win against Arsenal in the FA Cup 5th round.kept a clean sheet and made crucial saves that kept Blackburn in the game.
Split into simpler sentences: He played a key part in Blackburn's shock 1--0 win against Arsenal in the FA Cup 5th round. He kept a clean sheet and made crucial saves that kept Blackburn in the game.