Seattle Seahawks head coach Pete Carroll, left, and Chicago Bears head coach John Fox, right, shake hands following an NFL football game, Sunday, Sept. 27, 2015, in Seattle. The Seahawks beat the Bears 26-0. (AP Photo/Elaine Thompson)
As the month draws to a close, so does the time Marc Trestman has spent as head coach of the Chicago Bears. What will go into choosing his replacement?