Though Casey Sadler admitted that he was trying to “refine the craft and get better as the year goes on,” getting better may be a tough one for the sinker ball throwing right-hander.

In four starts, Sadler has a 1.67 ERA in 27 innings in Triple-A. In his last outing, Sadler was just dominant, allowing just four hits in seven shutout innings. He walked two and struck out six.

The strikeout totals in his last Indianapolis start is what is impressive. Since becoming a starter in the Pirates organization in 2012, Sadler’s K/9 totals plummeted. With Altoona in 130 innings, the total was only 4.6 K/9. Despite striking out six in his last start, Sadler has only struck out 16 in his first 27 innings this season.

With low strikeout totals, Sadler is typically reliant on his defense behind ...

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