I Wish It Was Waterworld

Name this movie storyline.

Kevin Costner stars as a washed up pro who is too old to get back into the game. He struggles with reconciling his past success with his current role as a mentor in a training environment. The only connection to his storied past are the dreams of a brash young talent. But he finds that much has changed in the passing of the torch to the new generation.

If you said Bull Durham, I'd say you just got punk'd. If you said The Guardian, I'd say, why do you know the plot of this hackneyed mush? Did you actually watch it?