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The criteria here were a minimum of 100 innings pitched - that's whooshing sound you hear, is Heath Bell letting out a sigh of relief, with the culprits being ordered by overall ERA+, which is ERA adjusted for park, league and season. Last names only are fine. This one is tougher than you'd think, since most of the names concerned have, quire rightfully, been consigned to the garbage-can of team history. So if you get more than a dozen, I think you'll be doing well.