10 key stats from the first four weeks of Notre Dame’s 2022 seasonby:Patrick Engel•09/29/22•PatrickEngel_Read In AppChris Tyree #25 of the Notre Dame Fighting Irish celebrates a touchdown reception against the California Golden Bears during the first half at Notre Dame Stadium on September 17, 2022 in South Bend, Indiana. (Photo by Michael Reaves/Getty Images)Michael Mayer, run defense, a lack of pass breakups and Chris Tyree's usage have been themes from the first four Notre Dame games.