Link to Athletic article   --- The battery of tests they had patients perform then are similar to the ones the athletes take now, only they’re modified to record the differences between brains that are merely healthy and ones that work on another level.   Ally says the results are predictive.   He couldn’t give out Purdy’s exact score because it’s privileged information but said it was in the “mid 90s.” That’s about where Brees, the former Saints quarterback fa