For former top prospect Andy Oliver, the only thing that is keeping him out of the Major Leagues is control, or lack there of.

While he led the International League in strikeouts with 138 in 2013, he also blew away the competition with his league leading 112 walks. In fact, Oliver had more walks than hits allowed. He only allowed 99 hits in his 124.1 innings.

Though on the surface, it doesn’t appear that Oliver has seen much improvement this season, the numbers have improved greatly over his past few outings. He has walked 10 hitters in 15 innings. However, in his last 11.2 innings, he has walked five hitters. During this string, he has allowed only one earned run. In fact, Oliver has only allowed earned runs in two appearances. The numbers are skewed by his one inning of work with t...

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