Mather won a Nobel Prize in 2006 for his contributions to proving the Big Bang Theory.
Penn State's game on Tuesday, March 28, against the Saint Francis Red Flash will not be rescheduled.
Krieger will retire following the end of the 2023 National Women's Soccer League season.
Fans can vote for the award until 6 p.m. on Friday, March 24.
This is the first time since 2009 that Penn State has attained the top spot in the rankings.
Cross is perhaps best known for his role as Tobias Fünke on "Arrested Development."