Despite another sub-par round his third in four rounds Michael Sims slipped further down the leaderboard at the PGA Q School tournament in La Quinta, California on Saturday.Sims carded a one-under-par 71 including an eagle, birdie and a sole bogey on the fourth day of the gruelling event which will determine whether players will get full tournament privileges on the PGA or WebCom. Tours next year.The 33-year-old Bermudian now sits in 109th position with two rounds remaining.