Having beaten Tom Kirby and Paul Williams, he lost in the final game to Wayne Atwood.
In 2008, Grubb secured his best ever performance in the PDC Pro Tour, reaching the last 16 in the Players Championship in Las Vegas, beating David Fatum and Tony Ayres before losing to Mark Frost.
Then reached the 1/4's in a pro tour event in Scotland losing a narrow game to Michael Van Gerwen.
He ran a Darts team in the Somerset Super League called Radstock where he played with close friend and 1992 World Champion runner-up Mike Gregory.
Grubb rejoined the BDO in 2020 playing in the Las Vegas open, getting to the semifinal before losing narrowly to Harith Lim.