According to Google Trends, a lot of people are trying to find out.

He was a retired NFL player and now he is going to join the Oakland Raiders.  He plays quarterback (QB) position.  He is a winner of the Heisman trophy, “The Most Prestigious Award in College Football”.

Here is some other basic information:

Born: December 27, 1979 in Fresno, CA

College: USC

Drafted by the Cincinnati Bengals in 2003 NFL draft.

You can get more information directly from Carson from his blog: Carson Palmer: Official Blog

He is married to Shaelyn Fernandes