Chargers are 1-1 against KC and have beaten TEN, BUF, and PIT, so 4-1.
NE beat KC and BUF and lost to TEN so are currently 2-1. So depending on how the “if the season ended now” calculators are written, NE either loses that tiebreaker or it doesn’t apply.
Of course, right now NE loses to LAC on conf record (Well, and actual record
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If NE wins out it will beat PIT and BUF and should also be 4–1 in those common games. And for NE to tie LAC the Chargers must lose one more conf game than NE, so they would tie on conf record. So I guess SoV will come into play if NE and LAC tie.