In light of Gibson showing a greater level of consistency could it be said that the ability to return from tommy john at the 9 - 12 month time frame is possible, but stretching it out closer to the 18th month is a more fruitful option? If you are allotted that luxury of course.
He has also thrown out 6 runners to this point of the year. Compared to a paltry 9 total runners last year this seems to suggest that he figured out whatever was ailing him behind the plate last year.