Read the text and determine if the sentence is true:

Frederick William Mundee (May 20, 1913 – January 15, 1990) was an American football center who played three seasons with the Chicago Bears of the National Football League. He played college football at the University of Notre Dame and attended South High School in Youngstown, Ohio.

Sentence: As one of the Chicago Bears main players Mundee talked about his having played for Notre Dame University. 
It's impossible to say