"If they say, 'Hey, here's your job back,' I'll go back to work. I signed a f***ing contract. I'm a man of my word, unlike those f***ing trolls," said Sheen, according to RadarOnline.
Radar has video of the performance during which Sheen makes the statement.
Sheen's live showand he was booed by the audience. In Chicago, he made several changes to the show, including dropping an opening rap act and stream-of-consciousness ramblings. The changes, including the interview setting, were a hit - or at least didn't bomb - with critics.
The next stop on the tour is Cleveland on April 5. Sheen played fictional Cleveland Indians pitcher "Wild Thing" Rick Vaughn in the 1989 film "Major League" and in 1994 sequel.