
“The rule hasn’t changed”: Big Ten Differs With SEC Viewpoint on Defensive Subs
Big Ten Conference coordinator of football officials Bill Carollo contends, unlike the presentation given by the Southeastern Conference, late defensive substitution patterns aren’t a typical problem.
By Matt Stevens - IlliniGuys Football Writer/Analyst
July 24, 2025
(Cover photo courtesy ESPN)
LAS VEGAS — It appears the contention between the Big Ten Conference and Southeastern Conference is not just limited to a future College Football Playoff format but also involves the folks in stripped shirts as well.
One week after John McDaid, the SEC coordinator of football officials, gave a presentation to media in attendance at that league’s media day in Atlanta over what he called “rule changes” within his conference beginning with the upcoming 2025 season, Big Ten Conference coordinator of football officials Bill Carollo had his say on the matter of handling defensive substitution patterns through the course of a game.
A big portion of McDaid’s lecture was how the SEC would address in the immediate future where a defense is intentionally trying to force down the play clock on the offense with its final chance at a player substitution before the football is snapped. McDaid’s video demonstration highlighting what his office has determined is an issue that demands attention included clips of Illinois executing defensive substitutions in the 2024 Citrus Bowl resulting in a 21-17 win for Illini over South Carolina.
“What we’ve seen over the last couple years — and we definitely saw it at a high volume or a higher volume in the 2024 postseason