Morgan isn't playing likely because Roenicke thinks he will be too wild after the Carpenter confrontation. Kotsay is playing becaue he's left handed and Roenicke either doesn't value or can't evaluate defense. Kotsay was a DH in 2010 remember because he couldn't handle 1B and he's now in CF.
You have to hope the manager at least tries to put good defense out there. I firmly believe DPR has no idea what a good defender looks like. He has pulled guys for defense in a few games but has never pulled KIotsay. Kotsay can't even field a ground ball in the outfield. You mean like replacing Weeks for defensive reasons but not Betancourt?
How would things have changed if Lucroy took a fastball bown the middle for 3-1 instead of swinging at it? He should have known off speed 3-1, but swinging 3-0 at a fastball down the middle is fine with the pitcher up next
He isn't the same pitcher. His GB/FB rate was 2.78 this year compare to around 1.4. No reason to expect a normal HR rate given such GB tendencies so no reason to look at xFIP as superior.
The point is that all pitchers at 100 pitches tend to be bad. Greinke is really, really good for a good amount of pitches. But a tired pitcher is runs waiting to happen.