The Serb had just been broken to trail 6-5 in the first set against Spain’s Pablo Carreno Busta in New York when he hit a ball behind him ... has left me really sad and empty,” he wrote.

"This whole situation has left me really sad and empty," he said afterward ... Sunday after accidentally hitting a line umpire with a ball. In the first set of his match against Pablo Carreno ...

Stock image of a sad golden retriever laying down with its head on the floor. A similar dog called Elton has melted hearts after a video of his reaction to losing his fetch ball went ...

Novak Djokovic has apologised for hitting a line judge with a ball at the US Open, saying he is "extremely sorry for creating her such stress ... has left me really sad and empty," said Djokovic., ...

By combining deep pressure stimulation (DPS) and the distracting effects of a stress ball, weighted pillows can help ease stress for a quieter mind and that contented feeling we get when we're ...

The project resulted in Stress Ball, an interactive plastic ball that becomes more or less tactile based on the stress level of the user. Instead of displaying stress as numbers or charts ...