Titleist Brand Ambassador John Merrick carries a white box full of  new Pro V1x prototype golf balls to the first tee during a practice round.

Welcome to Las Vegas, home of the 2012 Justin Timberlake Shriners Hospitals for Children Open.

Jason Bohn sends a New Pro V1x prototype golf ball flying as Director of Golf Ball Product Management Michael Mahoney looks on.

Pro V1x loyalist Angel Cabrera will test drove the new Pro V1x prototype during a practice round early in the week and was one of the players to put the golf ball in play this week.

With the tour seeding and performance validation process for the new Pro V1 and Pro V1x prototype golf balls in full swing, we're excited to see the Fall Series action heat up!

Bobby Gates gets loose before a Wednesday practice round.

Smile for the camera! Tim Clark shows off a sleeve of new Pro V1 prototype golf balls for Team Titleist. Clark was also one of the players who made the switch to the prototype golf ball this week.

Titleist Brand Ambassador Martin Flores puts in some work on the range with Titleist Director of Iron Development Marni Ines.

Mike Labrie, a Titleist brand loyalist and contestant in this week's pro-am tournament has been a patient of Shriners Hospitals for Children for more than 20 years. An inspirational story, Labrie carries a single-digit handicap and made an appearance…

Titleist Brand Ambassador Scott Stallings is just off a plane from Oceanside, Ca., where he worked with the team to test and get fit into the new Pro V1x prototype.