I was initially a proponent of the Gary pick pre-draft. Some had reservations over his starting up a sports agency as a distraction, Dante in particular. What put me off after the fact was discovering he scored a 9 on the Wunderlic. While we don't care much about IQ tests except for QBs and OLs, that low of a score suggests functional illiteracy at worst, a slow processor at best, or maybe the other way around.
The story was one of overcoming dyslexia to achieve a 3.8 GPA and Academic All-America at one of our finer institutions of higher learning. All I can say is he got a lot of "help". Note the Russo tweet:
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This is not a disparagement of Gary as a person. He is who he is. It does say something about the U. of M.
Anyway, what it suggests, whether a dyslexia, literacy or processing issue, the player is not likely to absorb stuff out of the playbook or off the grease board or keep up in the meeting room. Gary wouldn't be the first NFL player who had to learn by doing, interalize by repetition.
Alternatively, we could consider the case of Jason Babin, a #27 pick edge player who busted out of Houston into journeyman status. In his 7th. season he landed in Tennessee, makes the Pro Bowl, and follows that up with an 18 sack, first team All-Pro season. As the story goes, Jeff Fisher told Babin to just go get the QB and don't worry about the rest, defend the run on the way to the QB as the expression goes, one of those triumphs of the uncluttered mind.
While Gary came in needing work on hand technique, the ultimate answer may be to put him out there on passing downs, just release the hound, and then maybe over time he picks up the rest. You wouldn't want to wait until season seven to give it a try if it comes down to that.