The early leader in the clubhouse at the Byron Nelson Cla sic is "WD."The number of player withdrawals reached 12 from the original "committed field" list only a day Chris Stewart Jersey before Thursday's opening round at TPC Four Seasons in suburban Dallas, .A bright spot: Hometown favorite Jordan Spieth, who as a 16-year-old made the cut at the 2010 Byron Nelson, is in the Jason Pominville Jersey field and scheduled to tee off at 3 p.m. ET.However, past champion and world No. 8 Jason Day withdrew Wednesday after experiencing dizzine s on the course. That came hours after Ian Poulter's withdrawal.I will not be competing this week in Texas, I picked up a slight strain in the Gym on Monday, Mikko Koivu Jersey so taking precautions and not chancing it. Ian Poulter (@IanJamesPoulter) Kevin Kisner, a top-five finisher in three of his past five starts, withdrew earlier in the week, joining Alex Cejka, Scott Gardiner, Fredrik Jacobson, Jason Kokrak, Neal Alex Stalock Jersey Lancaster, George McNeill, Louis Oosthuizen, Chris Stroud and Will Zalatoris.The event is among the PGA Tour's more popular, perhaps out of reverence for its late namesake and golf legend. However, it is being threatened by storms. TPC Four Seasons was Erik Haula Jersey inundated with rain, and more Dallas-area storms are po sible during the event's four days.