The White Sox have designated right-hander Dylan Covey for assignment, per a club announcement. His roster spot goes to Steve Cishek, whose previously reported signing is now official.

Covey has certainly had his chances to forestall this result. Over the past three seasons, he has been given 250 1/3 innings of MLB action with the South Siders. The results simply have not been there.

All told, Covey carries a 6.54 ERA to this point in his career. He has an even fifty percent grounder rate but otherwise the peripherals are equally unsightly: 6.2 K/9, 4.1 BB/9, 1.62 HR/9.

Covey has averaged between 94 and 95 mph with both his four-seam and two-seam fastballs, partnering those with a changing variety of secondary offerings. Opposing MLB hitters have feasted on most everything he has sent across the plate and haven’t been tempted to chase very often.

It’s a disappointing situation for both team and player. Covey was long seen as a potential rotation fixture but just hasn’t made the leap. He has thrown 95 2/3 innings at the Triple-A level over the past three seasons as well, finding much more success there. In that span, Covey owns a 2.63 ERA with 84 strikeouts and 25 walks.

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