• Jason Heyward is headed to the DL for having an appendectomy. A couple of years ago, I looked at how players performed after going on the DL for the surgery. I found Heyward owners “should expect him to miss around ~30 days … and his production should not suffer once he returns”.
• Matt Cain is struggling a bit this season with a 6.59 ERA fueled by a 1.9 HR/9. The first item which sticks out is his 2012 and 2013 xFIP and SIERA are almost identical
Season: xFIP, SIERA
2012: 3.82, 3.62
2013: 3.81, 3.64
Using these metrics, he seems like he is pitching the same as last year.
His velocity is down 0.5 mph this season compared to last season. Every pitcher his age should expect drop of 0.35 mph per season so the drop isn’t out of line. Also, his game velocities are not much different than his speed values to begin last season.
Another factor I look at is Zone%. His Zone% is actually up from 50.8% in 2012 to 51.2% in 2013.
I just think Cain is bit unlucky to start the season.
• Gio Gonzalez on the other hand is showing some signs of injury. His velocity is down over 1 mph going rom 93.1 mph in 2012 to 91.9 in 2013.
Besides the velocity drop, his Zone% is down to 45% after just dropping below the 47% injury threshold last season. The lack of control is seen with his BB/9 jumping from 3.4 in 2012 to 5.0 in 2013.
Players on the DL
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