It appears the aircraft will arrive in the Allegiant fleet in the next few weeks. This will result in Allegiant operating 3 aircraft instead of 4. At this time they will retain 1 DC-9.
For those who track equipment, this article says the 2 MD-87s were operated at one time by Midway.
"Travel is fatal to prejudice, bigotry, and narrow-mindedness." - Mark Twain