MLB.TV is currently offering a special for $39.99 for the rest of 2014 or $49.99 for MLB.TV Premium. Not $39.99 per month - $39.99 total that will give you access for the rest of the 2014 season.
The premium version includes the MLB At Bat 2014 App.
White Sox Baseball 2011-2016*
*except for 3 months in mid 2012 and 5 weeks in early 2016