During a three-decade span from the 1960s through the 1980s, teams representing the current Big 12 owned an overall series edge against the SEC.
Times have changed over the past 10 years, particularly in the postseason.
Over the past three decades, the SEC has taken control with a 34-22-1 mark.
How the two leagues have fared in head-to-head meetings since 2003
(Year listed for season)
SEC Leads 15-3
Cotton Bowl: Texas A&M 41, OU 13
Cotton Bowl: Arkansas 29, Kansas State 16
Cotton Bowl: LSU 41, Texas A&M 24
BCS Championship: Alabama 37, Texas 21
Cotton Bowl: Mississippi 21, OSU 7
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