Here's everything you need to know for the first round of the 2025 Zurich Classic of New Orleans, including tee times and TV information.

The Zurich Classic of New Orleans switches to the foursomes (alternate-shot) format for the second round. Defending champions Rory McIlroy and Shane Lowry will go out at 12:49 p.m. local time alongside Billy Horschel and Tom Hoge.

Ryder Cup teammates Rory McIlroy and Shane Lowry headline a 160-player field that will split up into teams of two at the Zurich Classic of New Orleans. McIlroy and Lowry look to defend their title after defeating Chad Ramey and Martin Trainer in a playoff last season.