Sentence:  Starting half an hour behind Player in company with British Open Champion Kel Nagle , Palmer <WSD>birdied</WSD> the 2 nd , the 9 th , the 13 th and the 16 th - four birdies , one bogey and 13 pars for a 69 . 
Meaning of the word marked with <WSD> tags:  shoot in one stroke under par