The Pirates’ trade of Proven Closer Mark Melancon prior to last season’s trade deadline was met with much hostility at the confluence of the Allegheny, Monongahela, and Ohio Rivers. The trade was seen in the public, and some corners of the clubhouse, as a white flag being raised, the Jolly Roger lowered at PNC Park. The Pirates remained on the fringe of the postseason picture at the time of the deal. Melancon had been a fixture of the 2013-15 playoff teams.
But those who aren’t focused solely on the Stanley Cup finals are no longer complaining in Pittsburgh. In return for Melancon, the Pirates acquired pitching prospect Taylor Hearn and a headline piece in Felipe Rivero, who is becoming one of the game’s elite left-handed relief pitchers.
We know all about the talents of Zach Britton, Aroldis Chapman, Andrew Miller, the sport’s most dominant left-handed relievers. But Rivero is on the brink of joining their company. And if you’re interested in who’s occupying the ninth inning for major-league clubs — say, fantasy baseball purposes — Rivero might soon be closing games for the Pirates due to Tony Watson’s struggles.
Oh, how the Washington Nationals would like to have Rivero and his four-plus seasons of control back. As we inch closer to the trade deadline, the Rivero deal serves both as a model and warning in how to operate at the trade deadline, where overpaying is almost always a mistake and heeding the lessons of the Stanford marshmallow experiment is typically wise.
To be fair, the Nationals didn’t think they were trading this kind of arm away for 60-plus days of control over Melancon. Like many pitchers before him — A.J. Burnett, Jason Grilli, Francisco Liriano, Ivan Nova, Edinson Volquez, and, yes, Melancon himself — Rivero has made significant improvements since being traded to Pittsburgh.
Let me offer a quick a synopsis on the Rivero story: the lefty has refined his command since arriving in Pittsburgh, he’s added velocity — hitting 102 mph this season — and, in addition to a quality slider, he now boasts an elite changeup.
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