Bryan Mbeumo scored his first career hat-trick as Premier LeagueBrentford overcame spirited League Two side Port Vale in the FA Cup third round.
Brentford made eight changes to the team that defeated Aston Villa in the Premier League last weekend, with Ethan Pinnock, Mads Bech Sorensen and Yoane Wissa the sole survivors.
Marcus Forss put the Bees into a deserved lead with a powerful strike from Mads Bidstrup's pass.
Mbeumo doubled the visitors' advantage, but Kian Harratt gave Vale hope with 20 minutes remaining.
However, Mbeumo soon made it 3-1 before completing his treble from the penalty spot.
