Tagovailoa leads No. 2 Alabama to 42-3 rout of Duke

Alabama defensive backs Jared Mayden (21) and Patrick Surtain II (2) break up a pass intended for Duke wide receiver Jalon Calhoun (5) during the first half an NCAA college football game, Saturday, Aug. 31, 2019, in Atlanta. (AP Photo/John Bazemore)

Alabama wide receiver Jerry Jeudy (4) runs after a catch in the first half of an NCAA college football game against Duke, Saturday, Aug. 31, 2019, in Atlanta. (AP Photo/John Bazemore)

Alabama players put the "Old Leather Helmet" on head coach Nick Saban after defeating Duke 42-3 in the Chick-fil-A Kickoff NCAA college football, Saturday, Aug. 31, 2019, in Atlanta. (AP Photo/John Bazemore)

Alabama quarterback Tua Tagovailoa (13) throws from the pocket during the first half of an NCAA college football game against Duke, Saturday, Aug. 31, 2019, in Atlanta. (AP Photo/John Bazemore)

Alabama head coach Nick Saban gestures as he walks to speak to his players during a timeout in the first half of an NCAA college football game against Duke, Saturday, Aug. 31, 2019, in Atlanta. (AP Photo/John Bazemore)

A cameraman falls as Alabama head coach Nick Saban leads his team onto the field to warm before an NCAA college football game against Duke Saturday, Aug. 31, 2019, in Atlanta. (AP Photo/John Bazemore)

Alabama running back Najee Harris (22) tries to fend off Duke linebacker Koby Quansah (49) during the first half of an NCAA college football game, Saturday, Aug. 31, 2019, in Atlanta. (AP Photo/John Bazemore)

Alabama running back Jerome Ford (27) breaks through the line during the second half an NCAA college football game against Duke, Saturday, Aug. 31, 2019, in Atlanta. Alabama won 42-3. (AP Photo/John Bazemore)

Alabama tight end Miller Forristall (87) celebrates with Major Tennison (88) after catching a touchdown pass in the first half of an NCAA college football game against Duke, Saturday, Aug. 31, 2019, in Atlanta. (AP Photo/John Bazemore)

Alabama quarterback Tua Tagovailoa (13) scrambles during the first half of an NCAA college football game against Duke, Saturday, Aug. 31, 2019, in Atlanta. (AP Photo/John Bazemore)

Alabama head coach Nick Saban, right, and Duke head coach David Cutcliffe talk before an NCAA college football game Saturday, Aug. 31, 2019, in Atlanta. (AP Photo/John Bazemore)

Duke quarterback Quentin Harris (18) throws from the pocket during the second half an NCAA college football game against Alabama, Saturday, Aug. 31, 2019, in Atlanta. Alabama won 42-3. (AP Photo/John Bazemore)