At least for this season, Puk has been working as a reliever between stops in Oakland and Las Vegas, with the organization presumably keen on limiting his innings after a slew of arm-related injuries in recent years. Though Puk is blessed with a fastball that sits around 96-to-98 miles per hour and pairs it with a sharp slider, he's largely been unable to translate his skills into useful results at Triple-A this season (6.08 ERA, 1.62 WHIP, 48:13 K:BB in 40 innings). However, after a rough patch in late June, Puk has seemingly settled down at Las Vegas, delivering a 1.64 ERA and 24:4 K:BB across his last 13 appearances spanning 22 innings. Expect him to work in a multi-inning role in middle relief while he's up with Oakland.
Athletics' A.J. Puk: Joining big-league bullpen
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