The "normal" announcer, T.D. Smith was being honored at the 2007 Louisiana Cattle Festival as their Humanitarian of the Year.
It had to do with his volunteer work the WWII Veterans in a program called Honor Guard. A program to help Vets visit the WWII War Memorial in Washington D.C.
I may have some of the details wrong but I am pretty sure he will be back for the last 2 home games.