Stanford has questions at quarterback facing Arizona
Arizona quarterback Khalil Tate (14) throws against Southern California during the first half of an NCAA college football game Saturday, Oct. 19, 2019, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Arizona quarterback Khalil Tate (14) throws against Southern California during the first half of an NCAA college football game Saturday, Oct. 19, 2019, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Oct. 19, 2019 11:30 PM EDT
Arizona quarterback Khalil Tate (14) watches from the sideline as his team plays Southern California during the second half of an NCAA college football game Saturday, Oct. 19, 2019, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Arizona quarterback Khalil Tate (14) watches from the sideline as his team plays Southern California during the second half of an NCAA college football game Saturday, Oct. 19, 2019, in Los Angeles. (AP Photo/Marcio Jose Sanchez)

Oct. 20, 2019 01:26 AM EDT
Stanford quarterback Jack West throws a pass during the first half of the team's NCAA college football game against UCLA on Thursday, Oct. 17, 2019, in Stanford, Calif. (AP Photo/Ben Margot)

Stanford quarterback Jack West throws a pass during the first half of the team's NCAA college football game against UCLA on Thursday, Oct. 17, 2019, in Stanford, Calif. (AP Photo/Ben Margot)

Oct. 17, 2019 10:26 PM EDT