The cut line can be tricky to pin down while play is in progre s.With Round 2 under way at Pebble Beach on Friday, the is crowded at the top. A soft course Thursday allowed for , meaning Justin Rose's record-tying 65 only bought him a one-stroke Guillermo Heredia Jersey lead through 18 holes. But others aren't so lucky, with slow-startingstars like Justin Thomas and Tony Finau among those onthe outside looking in.The favorable conditions likely will slide the cut line lower than usual.More than half of the Peter Fairbanks Jersey 156-player field mi ses the cut at the 2019 U.S. Open. Here's everything you'll need to know about thecut line, rules and results as players jockey to make the weekend.TIGER TRACKER: U.S. Open cut rules for 2019Every major on the PGA Tour has its own cut rules. For the U.S. Open, it's simple:The top 60 players on the leaderboard after 36 holes automatically make it through to the third round, including ties.The U.S. Open cut lineis one of the Christian Arroyo Jersey most exclusive. Only the top 50 players make the , but there's also a 10-shot rule that allows players within 10 shots of the Tommy Pham Jersey clubhouse leader to make the cut. The top 70 players make the cut at the and The Open Championship.U.S. Open cut line 2019Gary Woodland is theU.S. Open clubhouse leader at 9-under par through 36 holes followed by Justin Rose, who's twostrokes behind in second.The cut line fell at2over with 79players meeting that bar,meaning 77mi sed the cutProjected cut: +2Players within cut: 79(t-56thposition)Notables to mi s: Justin Thomas (+4), Tony Finau (+4), Bubba Watson Jose Alvarado Jersey (+7)How many make the cut at the U.S. Open?The initial 156-player field will be whittled down to about 70 by the time the first group tees off Saturday morning.U.S. Open live leaderboard.