Shelby Miller's season is over after the Arizona Diamondbacks right-hander announced Saturday he will have Tommy John surgery on his pitching elbow. Miller, injured last Sunday during his start against the Los Angeles Dodgers, was diagnosed with right elbow inflammation and placed on the 60-day disabled list on April 27. ''It's the best decision I think we could make,'' Miller said before Saturday's Diamondbacks-Colorado Rockies game.