It was brought up before that he has shown a bit of a time lapse to figure out the next level that he's been promoted to before he gets clicking. The caveats that worried me early on were (1) ain't no level like MLB and (2) he really seemed to struggle much more than I think was anticipated. And to the latter, when it is combined with the other woes on the offense, both individual players and as a whole, it gave me cause for concern.