A tournament pays me to show up because the fans want to see me and I move the needle at the box office? That's amazing. It's good for tennis, good for me and good for the event. If a sponsor wants to pay to put their company name on my shirt because they think I'm a strong ambassador for their brand? Heck yes.

The way I see it, the prize money is a reflection of my on-court performance, but the sponsorships are something more personal, connected more to people and fans, and to my values.

I've played with Prince racquets my entire career.

John Isner Quotes