This March, in a match against Ivo Karlovic in Indian Wells, Jack Sock bounced an overhead out of court and into the stands. A fan picked the ball up and quickly thew it back. Quickly, and with ...

Ivo Karlovic may be known for huge, bomb-tastic serves (and his almost seven-foot stature), but the Croatian doesn't think it's his serve that would make him invincible on the court. In an ...