Oosthuizen, looking as calm as the conditions, was at 11-under 129, breaking the 36-hole Open record first set by Nick Faldo in 1992 at Muirfield and matched by Brandt Snedeker in 2012 at Royal Lytham & St. Annes. “I’ll have to play good golf this weekend if I want to come out first.” Oosthuizen, looking as calm as the conditions, …