A sprain happens when wrist ligaments are stretched ... you fall and catch yourself on an outstretched hand. A scaphoid fracture causes swelling, pain, and tenderness below the base of the thumb.

CHICAGO -- Bulls guard Lonzo Ball is expected to be sidelined for at least 10 days with a sprained ... to immobilize the wrist. "Trying to avoid that obviously. Let the swelling down, hopefully ...