Burns was born in Shreveport, Louisiana, to Todd and Beth Burns. During his prep career at Calvary Baptist Academy, he was a three-time individual state champion. He was named AJGA Rolex Junior Player of the Year in 2014. Burns played college golf at Louisiana State University, where he won four tournaments in 15 collegiate starts during his sophomore season. He was named a first-team All-American and was the NCAA Division I Jack Nicklaus National Player of the Year for the 2016–17 season.[2] Burns represented the United States on the winning 2017 Arnold Palmer Cup team and he qualified for the PGA Tour's 2017 Barbasol Championship, where he finished T6.[3][4]
Burns has played on the PGA Tour since the start of the 2018–19 season. In February 2021, he finished solo third place at the Genesis Invitational, one shot outside of the playoff with Tony Finau and Max Homa, Homa being the eventual winner. Burns held the solo lead at the end of each of the first three rounds but was ultimately caught on the back 9 during the final round. In May, Burns won the Valspar Championship for his first PGA Tour victory. Burns shot a final round 68 to win by three strokes over Keegan Bradley.[10] Two weeks later Burns finished runner-up to K.H. Lee at the AT&T Byron Nelson.[11]
On October 3, 2021, Burns won his second PGA Tour title at the Sanderson Farms Championship in Jackson, Mississippi.[12] On March 20, 2022, Burns won his second consecutive Valspar Championship title, beating Davis Riley in a playoff.[13] On May 29, 2022, Burns won the Charles Schwab Challenge after making a 38-foot birdie putt in a playoff against Scottie Scheffler. Burns overcame a seven stroke deficit to win, matching Nick Price in 1994 for largest comeback in a final round to win at Colonial Country Club.[14]
Burns qualified for the U.S. team at the 2022 Presidents Cup; he tied two and lost three of the five matches he played.[15]
Burns has been a supporter of Compassion International's "Fill the Stadium" initiative, an initiative "which seeks to provide food, medical supplies and other forms of support to children and their families during the COVID-19 pandemic."[18]