BYU is 14-9 against SEC+ teams overall, all-time.

BYU is 4-2 at home against SEC+ teams and 6-4 at SEC+ teams (so 4-3 in neutral site games)

Utah is 4-13 against SEC+ teams overall, all-time.

Utah is 2-0 at home against SEC+ teams and 1-12 at SEC+ teams (so 2-1 in neutral site games).

Utah's only win against at an SEC+ team was in 1955, against Mizzou (which was then in the Big 7 and would finish 1-9).