This years' OLine likely would have been Kallenberger, Ince, Linderbaum, Schott, Wirfs.
That's 5yr, 4yr, 4yr, 5yr, 4yr experience, reps, skill, size, etc.
Going pro, retiring, injuries (not just a week off) affected 4 of 5 spots.
Couple other guys just washed out of the program (not unusual)...