Rory McIlroy and Dustin Johnson suffered surprise defeats in their opening matches at the WGC-Dell Technologies Match Play in Austin.
World number five Justin Rose is feeling fresh ahead of this week's WGC-Mexico Championship after a month long break.
In what could turn out to be an embarrassing turn of events, the WGC-Mexico Championship is being hit by a number of high-profile withdrawals.
Justin Rose came from eight shots behind overnight to win the WGC-HSBC Champions by two strokes in Shanghai on Sunday.
World number one Dustin Johnson has a commanding six stroke lead as heads into the final round of the WGC-HSBC Champions on Sunday.
World number one Dustin Johnson surged into the lead of the WGC-HSBC Champions following a flawless second round on Friday.
US Open champion Brooks Koepka has a one stroke lead after the opening round of the WGC-HSBC Champions on Thursday.