It's more probable than not that Brady's jersey had approximately .01% more elastic in the fabric than NFL standards allow. This created an unfair advantage as he may have been more difficult to bring down by a player pulling him by his jersey.
Texts from equipment managers containing the phrase "elasticizer" have been recovered by the CIA and DHS. Men in black were seen removing said jersey from the Patriots locker room after the game. ESPN is reporting that the NFL is preemptively removing all Patriots 2017 draft picks, suspending Belichick and Brady next season, and requiring all Patriot's players to play in only shells (no clothing) next season. Exponent has been retained to test the fabric of the jersey to maintain the integrity of the investigation. More to come.......