The 2014 Arizona Fall League schedule has been released and rosters should be announced later this month.
The Arizona Fall League (AFL) is an MLB developmental league (approximately equivalent to "AA") that operates for six weeks after the conclusion of the MLB regular season. It features a 32-game "regular season" schedule plus an All-Star Game (formerly called the "Rising Stars Game," but now known as the "Fall Stars Game") at the end of the 4th week, and the AFL Championship Game (pitting the winner of the East Division versus the winner of the West Division) at the end of the 6th and final week.
There are three games scheduled every day Monday through Saturday during the AFL regular season (there are no games on Sunday), beginning with Opening Day on the second Tuesday following the conclusion of the MLB regular season (which is October 7th in 2014) and extending up through the Thursday of the 6th week. (No regular season games are scheduled the day of the Fall Stars Game).
The Cubs usually assign some of their better prospects to the AFL. Depending on what positions the Cubs are asked to fill on the Mesa squad, I would not be surprised to see some combination of position players and pitchers such as: