As the reader has certainly heard, the Arizona Diamondbacks sent an impressive collection of talent to Atlanta on Tuesday night in exchange for right-hander Shelby Miller. As Jeff Sullivan has already noted here, the benefits of the deal for the D-backs aren’t particularly easy to identify. They acquire three years of Miller, yes, but at the cost not only of three promising young players, but also of relying more heavily on Yasmany Tomas. In the final analysis, the present gains appear to be minimal, while the future losses are quite possibly substantial.
Among the more notable qualities of the trade is Arizona’s decision to part with shortstop Dansby Swanson, the No. 1 overall pick from the most recent draft. In light of that draft pedigree and his current place among all prospects — MLB.com ranks him 10th currently — it’s not a stretch to suggest that Swanson is worth $50 million right now. Which is to say: a lot. There is, of course, no guarantee that Swanson will be great, but there’s also no guarantee about any of these human people. One works in probabilities, and the probability that Swanson develops into a useful player — or something more impressive than that — is pretty strong.
And here’s the most curious thing: the D-backs just acquired Swanson five months ago. Given a choice of all draft-eligible amateurs back in June, the D-backs selected him. And now they’ve surrendered him less than half a year later. Is it possible that their evaluation of Swanson has changed dramatically over that interval? Yes, but only in the same way that escaping the constant burden of one’s mortality is possible: not very.
And working under the assumption that the D-backs think roughly the same of Swanson that they did back in June, it’s difficult to perform any manner of calculus which suggests that the D-backs have employed maximum wisdom by dealing Swanson et al.
If trading a No. 1 pick a mere five months after his draft seems uncommon, that’s because it is. Indeed, up until this past April, it would have been illegal. That’s when Major League Baseball amended a rule that forbade the trading of a player during the first 12 months following his draft. Now teams must only wait until the conclusion of the World Series. That’s what made Swanson available so soon.
Beyond the rules, however, trading No. 1 picks has been rare anyway. And it follows: a club performs considerable due diligence while leading up to a first-overall selection — and likely becomes attached to the player whom they select. Whether because of their belief in the player, or the considerable investment of time and energy and money which that player represents
So it’s a rare occurrence. But how rare is it?
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