I am considering 60 to confidence before I get 68 in vision on my lvl 25 QB. He is currently at 64 base vision, 73 base throwing, 52 base confidence. our guys seem to be similar. Up until now of course, because my confidence strategy will probably start deviating my guy.
Overall I would recommend not obsessing on throwing and vision. It's a different game now. I know they are likely still the two most important but a lot of QBs are too low in the supporting attributes. Plus with the new morale system, confidence will be dot suicide if it is only one capped.
My opinion.
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