they can exactly describe the loss of DLee. There isn't a stat that measure the psyhological effects of the loss of DLee. As another poster alluded to, the team surely lost a ton of confidence when their best player went down. And that's not even to mention the loss of his Gold Glove at first. So no, stats can't "exactly" measure the loss of a player of his caliber. if there is psychological effect, that will be reflected in the other player's performances. so, did the other players play worse than normal after lee got hurt? Seems pretty simple to evaluate statistically to me. if the other players didn't play worse, then the psychological effect doesn't exist. I don't really have the time, nor the desire, to look that up. But either way, I think it's kind of silly to say that there isn't a physchological effect of losing your best hitter on an already anemic offense. which isn't what I said - what I said was that effect could be measured if it exists.