Amazon.com : Nike Mix Golf Balls - Top Styles! 24 Near Mint Quality Used Golf Balls (AAAA RBZ One Tour and More golfballs!), White, One Size : Sports & Outdoors
Nike's new golf balls have larger, softer resin cores – GolfWRX
Here's Why Nike's Exit From Club-Making Is Absolutely Not A Death Knell For The Golf Industry
Callaway Golf appears to be in decline if you look at their branding