The way I see the thing, this is beyond talent, mechanics, fundamentals, etc.
This is about frustration of losing a lot of winnable games. This frustration is blocking their minds to play good baseball, and the more they lose the more they lose confidence.
Said that, I still believe in this team but they need to fix the above. Somehow they need to believe in themselves again, and someone has to remind them that they are still the champs.