Coaching changes cause uncertainty as signing period arrives

Oklahoma head football coach Brent Venables answers a question at an NCAA college football news conference, Monday, Dec. 6, 2021, in Norman, Okla. (AP Photo/Sue Ogrocki)

Florida head football coach Billy Napier speaks to the media during his introductory NCAA college football news conference in Gainesville, Fla., Sunday, Dec. 5, 2021. (Stephen M. Dowell/The Gainesville Sun via AP)

Oklahoma head football coach Brent Venables answers a question at an NCAA college football news conference, Monday, Dec. 6, 2021, in Norman, Okla. (AP Photo/Sue Ogrocki)

Lincoln Riley, center, the new head football coach of the University of Southern California, answers questions from reporters after a ceremony in Los Angeles, Monday, Nov. 29, 2021. (AP Photo/Ashley Landis)

Mario Cristobal, right, is interviewed by the news media after being introduced as Miami's football coach during a news conference Tuesday, Dec. 7, 2021, in Coral Gables, Fla. Cristobal is returning to his alma mater, where he won two championships as a player. (AP Photo/Lynne Sladky)

Lincoln Riley, the new head football coach of the University of Southern California, speaks during a ceremony in Los Angeles, Monday, Nov. 29, 2021. (AP Photo/Ashley Landis)

Florida head football coach Billy Napier speaks to the media during his introductory NCAA college football news conference at Ben Hill Griffin Stadium in Gainesville, Fla., Sunday, Dec. 5, 2021. (Brad McClenny/The Gainesville Sun via AP)

Mario Cristobal, left, Miami's new football coach, makes the sign of the "U" with Harry Rothwell, right, after being introduced at a NCAA college football news conference, Tuesday, Dec. 7, 2021, in Coral Gables, Fla. Cristobal is returning to his alma mater, where he won two championships as a player. Rothwell is a local businessman and Hurricanes fan. (AP Photo/Lynne Sladky)

Miami football coach Mario Cristobal speaks after being introduced at a news conference, Tuesday, Dec. 7, 2021, in Coral Gables, Fla. Cristobal is returning to his alma mater, where he won two championships as a player. (AP Photo/Lynne Sladky)