The difference you're missing is that I said cumalitive, not counting. If you cumulatively suck, like I would at the MLB level (or town ball ) I would be negative according to WAR. But if I was cumulatively Mike Trout I would be awesome at WAR. Conversely if I went 0-4 with 4 K's in one game, of course I did terrible but it isn't fair to say I cost my team an entire win yet, just some. On the flip side If I go for the cycle, I certainly helped my team win, but I didn't win the game by myself so I don't quite get credit for the whole game. That's what I meant. Fuld is simply doing the latter case, being awesome over a small stretch of games.