Here's 3 plays from the opening drive and I think they some up the issues with Kyler pretty well and tie in with what Gambo said above.
This is the 1st play of the game. I'm not sure what Kyler wants to see here when he boots out that isn't there. McBride is open immediately for an easy completion, and so is Higgins. Either of those option would be easy 1st downs.
But he also has a WR burning downfield (I think it's Zay Jones) that has beat his man and the CB has is back to Kyler. This is a difficult but no risk pass and Kyler has the time to set his feet and take it on. Instead we get a 5 yard run. It's my opinion that when a QB has a man getting open downfield and he has the time he should be attempting the pass, but I'd also accept the argument that taking the 100% shot to McBride is smarter football. What he chose was the worst option.
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On the 2nd play Kyler makes a 1st read 10 yard curl to MHJ that was nicely timed, it was a good passing down and I'd like to see many more of those kinds of plays to MHJ. But then we revert back to garbage.
This is play 4 after a Conner run. The trips to the right is designed to open the middle of the field for Trey on the dig and the play is run to perfection and Trey is wide open for a 1st down and more. But Kyler comes off it way early for no reason, he has a clean pocket, Trey runs his route well, it's a really easy pass and probably 15 yards. But Kyler comes off it in the blink of an eye and stairs down the dirty side of the field where everyone is covered (by design).
And this is the problem with the Kyler discussion because I imagine in the game thread the talk was of Kyler making a play with his feet when nobody was open. But the play went exactly as it should and Kyler screwed it up.
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The next play is the one he get's intercepted. This one is for the MHJ isn't getting open crowd. Pause it when Kyler throws the ball (which again is early and looks like he decided pre snap).
MHJ is open on an out route. It's not an easy throw but not a hard one either. That's a medium difficulty NFL throw. On a perfect pass he could conceivable house it with a bit of luck and just a safety to beat. At worst it's a 20 yard pick up. You also have Mike and McBride in better positions to receive the ball than JC. Of 5 options 4 of them are open and JC is the worst option of the 4.
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And this is just the 1st drive. I'd be very frustrated if I was a receiver in this offense. I don't see anything wrong with Petzing's scheme and people are getting open. Will add more as I get time.