Houston offense shines in 45-18 win over Arizona.

Arizona running back Gary Brightwell, right, is tackled by Houston linebacker Roman Brown during the first half of an NCAA college football game, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Houston wide receiver Marquez Stevenson, left, runs for a touchdown during the first half of an NCAA college football game against Arizona, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Houston running back Mulbah Car, left, is tackled by Arizona safety Isaiah Hayes during the first half of an NCAA college football game, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Houston quarterback Bryson Smith (1) is tackled by Arizona safety Xavier Bell during the first half of an NCAA college football game, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Houston quarterback D'Eriq King, left, throws a pass as Arizona linebacker Colin Schooler (7) defends during the first half of an NCAA college football game, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Houston head coach Major Applewhite, left, shakes hands with Arizona head coach Kevin Sumlin before an NCAA college football game, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Houston wide receiver Keith Corbin (2) drops a pass in the end zone as Arizona cornerback Tim Hough defends during the first half of an NCAA college football game, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Houston head coach Major Applewhite watches warmups before an NCAA college football game against Arizona, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Arizona quarterback Khalil Tate (14) escapes the tackle of Houston defensive tackle Ed Oliver during the first half of an NCAA college football game, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Arizona quarterback Khalil Tate drops back to pass during the first half of an NCAA college football game against Houston, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Arizona head coach Kevin Sumlin smiles during warmups before an NCAA college football game against Houston, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Houston quarterback D'Eriq King drops back to pass during the first half of an NCAA college football game against Arizona, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Houston quarterback Bryson Smith (1) is tackled by Arizona safety Xavier Bell during the first half of an NCAA college football game, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Houston wide receiver Marquez Stevenson (5) runs into the end zone for a touchdown during the first half of an NCAA college football game against Arizona, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)

Houston tight end Romello Brooker, left, celebrates his touchdown with Marquez Stevenson during the first half of an NCAA college football game against Arizona, Saturday, Sept. 8, 2018, in Houston. (AP Photo/Eric Christian Smith)