AT&T Byron Nelson: Sung Kang surges into lead with 61 in Round 2 Unknown 00:57 The 31-year-old golfer carded a 10-under par 61 en route to the best performance of any golfer on Friday. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsMLB trade rumors: Dodgers, Indians discussing trade for Corey Kluber againMichigan QB Shea Patterson returning for senior seasonMLB hot stove: Manny Machado reportedly told teams he won't make a decision until JanuaryMLB hot stove: Dodgers trade Yasiel Puig, Matt Kemp, Alex Wood to Reds for Homer Bailey, prospectsThe hype about Jack Hughes: U.S. NTDP's latest star product has the NHL's attentionNBA relieves Bucks of Mirza Teletovic's contract after career-ending injury, report says