Matt Kuchar, Louis Oosthuizen, Charl Schwartzel and Jason Dufner -- all ranked in the top 20 of the Official World Golf Rankings -- will be in the field for both the Crowne Plaza Invitational at Colonial and the HP Byron Nelson Championship.
Kuchar, ranked No. 10, won the WGC-Accenture Match Play Championship earlier this season.
Oosthuizen, ranked No. 7 in the world, finished tied for 10th in the Shell Houston Open -- his best finish this season -- and lost in a playoff at the 2012 Masters.
Schwartzel (No. 15), the 2011 Masters champion, will be making his Metroplex debut for both events.
Keegan Bradley (No. 13), the 2011 Nelson champion, and Martin Kaymer (No. 33), the 2010 PGA Championship winner, also will be teeing it up at TPC Las Colinas. The Nelson field currently includes 12 of the top 50 players in the official world golf rankings. The field will not be final until Friday, May 10 at 5 p.m. The 2013 HP Byron Nelson Championship will be played May 13-19 at TPC Four Seasons Resort Las Colinas in Irving.
The Colonial field also will be highlighted by Rickie Fowler (No. 29) and defending champion Zach Johnson (No. 30). The field currently includes nine of the top 30 in the world. The field will not be final until Friday, May 17. The 2013 Crowne Plaza at Colonial will be played May 23-26 at Colonial Country Club in Fort Worth.