(note the question mark)
Alderson said he had no information as to the reason for Harvey's absence, which was not excused by the team.
Harvey is scheduled to pitch Game 3 of the National League Division Series against the Los Angeles Dodgers on Monday, when the series shifts to Queens.
"Until we find out a little more about his absence, I prefer not to comment," Alderson said.
Agent Scott Boras did not immediately reply to an inquiry about Harvey's absence.