Matthew Perry's pickleball partner noticed worrying signs that he was unwell just hours before his tragic death.The Friends actor played pickleball - a game similar to tennis where two players hit a plastic ball with holes over a net - on the day he was found dead in his hot tub. Extra host Billy Bush shared on Instagram that the person he had been playing with noticed signs that Matthew wasn't quite right. He wrote: "I spoke to the woman he played with this morning and every morning.