The epidemic of major elbow injuries that has marred baseball for several years revisited the Dodgers this week, the team announcing that 24-year-old right-hander Emmet Sheehan underwent season-ending Tommy John surgery on Wednesday. Sheehan, who showed promise by going 4-1 with a 4.92 ERA and 64 strikeouts in 60 ⅓ innings over 13 games — 11 of them starts — …
