Jeff Locke struggled right from the beginning of Saturday's start. (Photo Credit: David Hague)

Let's start by looking at Jeff Locke's results after his disastrous Saturday outing of 10 hits and eight runs allowed over 2.2 innings:

1st Half of 2013 - 2.06 ERA, 1.13 WHIP
2nd Half of 2013 - 4.78 ERA, 2.02 WHIP

Again, those are the results via FanGraphs. Locke had good results before the All-Star break and has bad results since. Now let's look at the process after the Pirates' 15-5 home loss to the Arizona Diamondbacks:

1st Half - 16.7% strikeouts, 10.8% walks, 1.6 K/BB, 52.3% ground balls
2nd Half - 19.7% strikeouts, 13.8% walks, 1.4 K/BB, 57.3% ground balls

Locke has not been a demonstrably worse pitcher over the last month and a half, he has simply had worse results. An...

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