Justin Thomas claimed he has been working on adding more speed to his game as he seeks "that other 20" that he hasn't possessed during his career on the PGA Tour.
The CJ Cup will be played at Shadow Creek in Las Vegasthis year, instead of its usual home in South Korea, due to travel restrictions surrounding the coronavirus pandemic.
Thomas has won the event twice in its three-year history, first in 2017 and once again last year, with Brooks Koepka filling the gap in 2018.
Speaking to the media ahead of this year's event, Thomas revealed that he is working on adding more speed to the game, something that Rory McIlroy has also been doing as of late.
"I have messed around with some stuff for me," Thomas told the media ahead at Shadow Creek. "I just want some more speed. I feel like I've been good at having another gear, another five or 10 yards if I need it, but I don't necessarily have that other 20.
"At the same time, and this is not disrespectful to Bryson, I'm not going to put on 40 pounds. I don't have the height to do that, I'm going to look like a beach ball if I put on 40 pounds. I can get stronger in different parts of my body that can help me hit it farther and gain some distance, but I hit it plenty far enough to win tournaments and do well.
"At the end of the day, if I continue to hit the same distance and play the rest of my career injury free, that's most important and that's what I've been trying to do with my training. We're going to see if we can incorporate some stuff that gets me a little bit more speed."
Thomas plays alongside a returning Brooks Koepka and Korean Sungjae Im in one of the star-studded feature groups for Thursday and Friday's rounds.