As the trade deadline approached last season, the Seattle Mariners were in the mix for high-leverage relievers. They even thought they were going to get a deal done for perhaps the best arm in the market: flamethrowing Minnesota Twins closer Jhoan Duran.

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Multiple MLB insiders have since stated they also thought a trade that would send Duran to Seattle would happen.

Instead, the Twins went with an offer from the Phillies and sent their star closer to Philadelphia , and the Mariners lone bullpen add was lefty Caleb Ferguson.

At the time, it felt like a high-leverage arm was the missing piece from the Mariners’ trade deadline haul, which proved to be true as they fell one win shy of reaching the Fall Classic in part d

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