 He played in the preliminary final against the Parrametta Eels, but the Bulldogs went down 25-6 ending their season, which would also turn out to be his last game playing for Canterbury.On 8 November 2007, the Bulldogs announced that Brent Sherwin had been released from the remainder of his contract.Sherwin signed with the English club, Castleford Tigers, on a 3-year contract with the English club.