Ruben Amaro was an idiot to commit to that deal.
Too often, general managers get a bad rap for contract commitments that made decent sense at the time, but turned out poorly. On the other hand, many are lauded for contracts that were stupid, but turned out better than could have been hoped.
Results-based analysis is a poor way to measure a contract. We need to examine the information that was available to the executives who signed big contracts, and decide whether they had any decent basis for pulling those triggers.
Here are 30 instances from the annals of MLB where a manager had utterly no justification for his actions.