This is turning into an interesting thread. I am keeping a list of the players that have been mentioned as switching positions and will edit the Lahman DB for myself to incorporate the changes. Out of all the players listed, only one player's switch did not work out: Smokey Joe Wood. Although his arm died in 1913 or so, he never did turn out to be a really good outfielfer. All other players who switched had better careers because of it.
If there are other players that switched positions, let me know. I am keeping a list.
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