Poor talent would be my best guess. Some players playing out of position, and as a result, being beat off the edges. I thought the line did a terrific job at blocking for runs in between the tackles. managed to generate more yards against that Tennesee defensive front right up the gut than any other team did, including Georgia, and Alabama. I'm not concerned about our center, or guard positions. Toth with be the center, GAA can move back to his natural position of OG, and we're solid there, but Leavitt and Young will have to come in and be better than our guys were last season, and provide an immediate impact on the edges. That alone will help our offense out tremendously.
The good news is, it won't be hard for those two to be better than our offensive tackles last season.
The offensive philosophy also didn't do our offense any favors. Dawson came in with the mentality that he wanted to lob it downfield constantly, and pick up huge yards. In theory, after watching Baylor and getting wide-eyed, that sounds nice. Baylor has athletes at their OT position though. They can hold off a pass rush long enough for receivers to get downfield. Dawson couldn't adapt, and he failed because of it.
I like Gran because he's going to get the ball to tight ends, and run the running backs effectively. Those are without a doubt our two most reliable positions on offense, and they take the least amount of time to execute plays to. That offensive philosophy alone should make our offense more effective.
I think 2016 is the appropriate year to judge Schlarman. He has the talent, he has an offensive philosophy that will help him out, and he's got some solid depth there now. It has to translate on the field next season.