|Sergio Garcia - AP|
They add to a list that already includes defending champion Rory McIlroy, world. No. 1 Martin Kaymer, Dustin Johnson, Nick Watney and Bubba Watson.
Phil Mickelson and Tiger Woods are likely to play but neither is expected to make an official commitment until closer to the tournament.
Tickets are now available at a tournament kiosk in Southpark Mall as well as online at http://www.wellsfargochampionship.com/.