Mat Latos is now sidelined with a sore right shoulder. San Diego manager Bud Black told reporters Friday morning that Latos will not make a scheduled start on Saturday. Latos is believed to be the front-runner to start for the team on Opening Day. "He's a little sore ... it just sort of popped up," Black said. Latos, who won 14 games a year ago in his first full Major League season, has allowed 10 earned runs in 10 innings over four Cactus League starts.