Honest, that was the link text on cnn.com this morning to a CNN/Money story about Anna Kournikova endorsing a sports bra. I'm intentionally not including any wisecracks about "singles" vs. "doubles" here.
Tennis player Anna Kournikova endorses new sports bra - Aug. 22, 2003: "In advertisements, the athlete who's more popular for her looks than her game will model the sports bra with the tagline: 'Only the ball should bounce,' the newspaper said. "