Johnson among notables joining Nelson field

Dustin Johnson headlines a list of late additions who will compete at TPC Four Seasons next week.

Johnson, the thirteenth-ranked player in the world and fifth in FedExCup points, has three top-20 finishes in four appearances at the HP Byron Nelson Championship.

Charl Schwartzel returns after coming in solo third in 2013. Fellow South African Louis Oosthuizen, the 2010 British Open Champion, is set to make his third consecutive Nelson appearance.

Ryan Moore, who, lost to Adam Scott on the third sudden-death playoff hole in the 2008 Nelson, is playing in his fourth Nelson. Snedeker, the 25th ranked player in the world, a six-time PGA TOUR champion and 2012 FedExCup Champion, will make his third appearance at the Nelson.

The field will be finalized Friday.