It's still arbitrary and of no more significance than a 60, 100, 160 sample size.
It just happens to show his worst possible numbers, and that is why you chose it. If
his struggles began 60 games ago, you'd be using that.
Again, maybe last year,s post ASB woes are related to this year's slow start- maybe not.
Maybe he has already began to come out of it- maybe not.