Maybe the tweet was in reference to the Rocky V movie. Found the story line below on the web.

Storyline
Rocky Balboa is forced to retire after having permanent brain damage inflicted on him in the ring by the Russian boxer Ivan Drago. Returning home after the Drago bout, Balboa discovers that the fortune that he had acquired as heavyweight champ has been stolen and lost on the stockmarket by his accountant. His boxing days over...