Horschel, Morikawa and Theegala will wear the Zurich logo on their left sleeves, while Valenzuela will wear the logo on the front of her hat, the company said. Valenzuela earned her full-time LPGA card in 2020 and had two top-10 finishes in the 2022 season.

The 160-man field is split into 80 two-man teams, with the top 80 available in the PGA Tour rankings getting to pick their playing partner and all involved having to either hold PGA Tour playing status or get chosen as a sponsor's exemption.

Collin Morikawa Collin joined the Zurich Golf Ambassador team in 2020 and quickly proved himself to be a star on the PGA TOUR. He has secured five PGA TOUR wins including two majors (the PGA Championship and The Open Championship), plus one international win - the DP World Tour Championship.

The Zurich Classic tries to adopt several aspects of team golf as the field is comprised of 80 teams of two that will compete in rounds featuring two different formats. The first and third rounds will be four-ball rounds while the second and fourth rounds will be alternate shot, also known as foursomes.

The Zurich Classic will employ an alternating-round of four-ball and foursomes. Teams will begin in the four-ball format in Round 1 and utilize it again in Round 3 while foursomes - commonly referred to as alternate shot - will be used in Rounds 2 and 4.

Top Brands Sponsoring Golf - As of May 2022

• Rolex is the top sponsor for golf, with a total of 14 sponsorship deals.
• Acushnet company; FootJoy; Titleist became the second-largest sponsor for golf, with 13 sponsorship deals.
• Nike and Callaway also have significant sponsorships in golf.

The 160-man field is split into 80 two-man teams, with the top 80 available in the PGA Tour rankings getting to pick their playing partner and all involved having to either hold PGA Tour playing status or get chosen as a sponsor's exemption.

One member of each team is initially chosen via the Tour priority rankings, and his partner must either be a PGA Tour member or earn entry through a sponsor exemption. The stroke play format was alternate shot (foursome) in the first and third rounds and better ball (fourball) for the second and fourth rounds.

Zurich Classic 2023: Format The Zurich Classic is a team stroke play event and sees pairs battle it out over four rounds in two different formats. The field will compete in better ball (fourball) rounds on the first and third days and then alternate shot (foursome) for the second and fourth rounds.

One member of each team is initially chosen via the Tour priority rankings, and his partner must either be a PGA Tour member or earn entry through a sponsor exemption. The stroke play format was alternate shot (foursome) in the first and third rounds and better ball (fourball) for the second and fourth rounds.

Two players form a team and hit alternate shots at each hole until they hole out. One player tees off at the even holes and one on the odd holes. Handicap allowance is half of the combined total of both players. Played to strict rules of matchplay golf!

For a Top 10 guy, you're looking north of $3 million and getting close to eight figures for the most marketable players in the world. For this deal, a player will be obligated to, on average, commit to giving a company three to four appearance/promotional days per year.”