DICKSON, Tenn.—Michael O’Sullivan and Sam Karman both carded 2 under par 70, Beck Lewis 1 under par 71, and the No. 3 Oglethorpe men’s golf team is one stroke off the lead after the first 18 holes of the Southern Athletic Association Championship. The first round took place Friday at Greystone Golf Club. Oglethorpe held a share of the lead at 5 under par late in the day, but a late bogey put the Stormy Petrels second overall at 4 under par. O’Sullivan and Karman are T5 overall while Lewis is T7. Jackson Hiller shot 73 to land T12, and…