"We’re not able to comment on the specifics of his departure, but we want to be clear about this: our respect and gratitude for everything Greg has given to KNBR, its listeners, and its team runs deep."
The longtime ESPN personality tweeted that he would miss the rest of the week from his duties and thanked those "carrying the ball" for him while he was out.
"I don't look at it as a talent-based platform. I don't look at it as a results-based platform. I look at it as a platform that was built and sustained through the way I treat other people, through the work ethic that I believe that I have and through the passion that I know I have."