Yeah, I think McVay has surpassed Belichick's record of 42-0.
Rams Halftime Data Under McVay (2017-2021) – 72 + 6 playoff games = 78Games won when Rams were ahead at the half – 41 + 2 playoff games ----= 43
Games lost when Rams were ahead at the half - - - - - - - -- - - - - - - - - -- ----- 0
Games won when Rams were behind at the half - 6 + 1 playoff game------- = 7
Games lost when Rams were behind at the half - 16 + 3 playoff games--- = 19
Games won when Rams were tied at the half - - - - - - - - - - - - - -- - ------- - -- 3
Games lost when Rams were tied at the half - - - - - - - - - - - - - ----- - - - - -- - 6
McVay's Regular season record - - - - - - - - - - - - - - - - - - - - - -- -- - -- - -- 50-22
McVay's Total record - - - - - - - - -- - - - - - - - - - - - - - - - - - - - -- -- - - ---- - 53-25