Having been a baseball and Twins fan for just three years, it's tough for me to say just yet, but here are my nominations of the years that I've watched: Matt Tolbert- Although decent defensively, never had an OBP above .322. I guess considering the expectations and salary, though, it's not like he should have produced a whole lot, unlike Nishioka. Jim Hoey- Pitched 24 innings last year and had an almost 1:1 BB/K ratio. Aside from the horrendous 10+ ERA that he posted at the beginning of last season, the real kicker is his WHIP of almost 2.00. Once again, though, salary and expectation probably prevents him from being considered the worst, although awful. Drew Butera- While a lot is often made of his defensive abilities and his (apparent) ability to fix a terrible starting pitcher, Drew has never posted an OBP of .275 or better and holds a career .185/.229/.270, which is just so dreadful it's almost not worth talking about. Makes me wish that there could be a designated hitter for the catcher instead of the pitcher sometimes. All this being said, however, I don't think any Twin has ever disappointed me like Nishioka has. All the money that it took to bring a Japanese batting champion to the United States has amounted in absolutely nothing but headaches and misery.