Paul George -- Injured NBA Star Gets Hospital Visit from Floyd Mayweather

Paul George suffered one of the most horrific sports injuries in recent memory and his season is over before it started ... but he appeared in good spirits during a hospital visit from Floyd Mayweather.

PG sustained a compound fracture of the tibia and fibula, underwent surgery to repair it, and will have to work his tail off just to get back on the court in 2015.

If you haven't seen the injury ... AVOID THE VIDEO AT ALL COSTS ... it's horrific. But if you must ...