"Though advertising has been kept off the walls at Wrigley Field since its inception, with the exception of the Under Armour ads on the doors in the power alleys and the "CBOE" sign on the prime box seats behind third base, it has reared its ugly head for the postseason," Paul Sullivan reports on the Tribune's baseball blog.
A large ad on the padding of the wall down the right field line reads "January 1, 2009," with the logo for MLB, which is starting up the channel on that date. A similar ad on the padding of the left field wall is for MLB Postseason, and includes the logos of the networks carrying the games, TBS and Fox.
Read the entire post here.