From the 1920s until about 2008, the patterns and symmetry between the two in football was remarkable before the Crimson Tide have taken it to another level since 2009.
https://notredame.rivals.com/news/notre-dame-alabama-crimson-tide-clover-irish-
https://notredame.rivals.com/news/notre-dame-alabama-crimson-tide-clover-irish-